A Three-Layer Analysis (TLA) of Livy, History of Rome, Book 1
1. Question
Why is a state that can integrate foreign groups into its institutions stronger in the long term than a state that excludes them?
2. Abstract
A state that can integrate foreign groups into its institutions is stronger in the long term than a state that excludes them because exclusion leaves external people, external communities, and external resources as potential threats. Institutional integration can convert them into population, military force, tax capacity, marriage networks, Execution Layer, sphere of rule, and legitimacy.
A state cannot continue to grow only with the resources inside its own OS. Population is limited. Military force is limited. Land, water, cities, and trade routes are also limited. Therefore, for a state to expand and maintain itself over the long term, it must decide how to integrate external human resources, clans, conquered populations, migrants, allies, and subordinate communities into the internal structure of its own OS.
In TLA Layer 2, “urban community and civic integration” is understood as an integration OS that incorporates foreign groups, refugees, colonial settlements, and conquered populations into “Rome.” Rome’s growth was achieved not by preserving a pure bloodline, but through asylum, marriage, civic integration, migration, colonization, and the reorganization of civic categories. When this integration succeeds, population, military strength, and legitimacy increase at the same time.
Therefore, Rome’s long-term strength did not come from preserving purity by excluding outsiders. It came from the ability to convert outsiders by integrating them into institutions.
3. Method
This study follows the structure of Three-Layer Analysis, or TLA.
In Layer 1, this study organizes the facts that Rome did not simply exclude refugees, foreign groups, conquered populations, allies, and subordinate communities. Rather, Rome converted them into population, military force, and legitimacy.
In Layer 2, these facts are connected to structures such as urban community and civic integration, the integration-expansion phase, popular approval and civic recognition, mapping between application and Execution Layer, M × T, institutional integration, and Execution Layer.
In Layer 3, this study explains why a state that can integrate foreign groups into institutions is stronger in the long term than a state that excludes them.
4. Layer 1: Fact
In Livy, History of Rome, Book 1, Rome is not described as a state that simply excludes outsiders. Rather, it grows by accepting outsiders, forming marriage connections, giving civic positions, making alliances, and organizing subordinate relations.
In the early founding period, Rome did not have a sufficient population base. For this reason, Rome established asylum and accepted people flowing in from outside. This was not mere charity or rescue. It was an entrance for converting external human resources into population base, labor force, military force, and members of the community.
Rome also connected external clans, women, and kinship networks to the inside of the community through marriage. A state cannot reproduce itself by gathering population alone. Family, clans, descendants, and inheritance are necessary for the community to continue over time.
In addition, through conquest, alliance, and subordinate relations, surrounding communities became not merely enemies, but objects to be connected to Roman institutions, military organization, and sphere of rule. Outsiders were not only ruled. They were repositioned as soldiers, taxpayers, allies, residents, subordinate communities, and members of colonial settlements.
These facts show that Rome did not grow by excluding outsiders. It grew by integrating outsiders into institutions.
5. Layer 2: Order
In Layer 2, “urban community and civic integration” is an integration OS that incorporates foreign groups, refugees, colonial settlements, and conquered populations into “Rome.” Rome’s growth is realized not by preserving a pure bloodline, but through asylum, marriage, civic integration, migration, colonization, and the reorganization of civic categories. When integration succeeds, population, military strength, and legitimacy increase at the same time.
This shows that the strength of Rome did not lie in the purity of excluding outsiders. It lay in the ability to convert outsiders into institutions.
If a state excludes foreign groups and outsiders, it may preserve internal sameness for a short time. However, as a cost, it loses opportunities to increase population, military force, alliances, marriage networks, cooperation from conquered populations, and external resources. A state that excludes outsiders reaches the limit of its internal resources quickly.
By contrast, a state that integrates outsiders into institutions does not merely hold the outside as it is. It converts outsiders through institutions.
Refugees are converted into residents.
Residents are converted into soldiers.
Marriage partners are connected to kinship networks.
Conquered populations are converted into taxpayers, military service groups, and allies.
Colonial settlements are converted into bases in the sphere of rule.
This is not merely a policy of tolerance. It is an advanced technology of governance that converts external resources into the Execution Layer and infrastructure of the state OS.
As discussed in the previous analysis, asylum, marriage, civic integration, and colonization are not separate policies. They are functions of the same integration OS. Asylum gathers people. Marriage connects them to kinship and family order. Civic integration connects them to rights, duties, military service, tax burden, and approval structures. Colonization deploys the Roman OS into external territory and institutionalizes the sphere of rule.
All of these are part of a continuous integration process that transforms the outside into the inside.
Therefore, a state that can integrate foreign groups into institutions does not treat outsiders as mere “foreign elements.” It designs how outsiders should be connected to institutions.
Who should become soldiers?
Who should become citizens?
Who should become allies?
Who should be connected to marriage networks?
Who should be placed in colonial settlements or frontier bases?
Who should carry tax, military service, or land management?
Through this mapping, the state converts the outside into internal resources.
In terms of OS Organizational Design Theory R1.30.16.00, this is a question of “mapping between application and Execution Layer.” Mapping between application and Execution Layer means designing which application should be carried by which Execution Layer. Its function is to optimize the combination between a policy and the conditions of execution.
Therefore, institutional integration does not mean using all foreign groups or outsiders in the same way. It means repositioning them into suitable Execution Layers according to their abilities, culture, role, land, military capacity, and trust relationship.
Here, the difference between an exclusionary state and an institutionally integrative state becomes clear.
An exclusionary state treats outsiders as threats.
An institutionally integrative state treats outsiders as convertible resources.
An exclusion-type state places outsiders outside the boundary.
An institutional-integration-type state places outsiders inside institutions.
An exclusion-type state leaves outsiders as potential sources of rebellion.
An institutional-integration-type state converts outsiders into population, military force, tax capacity, and alliance power.
An exclusion-type state gains short-term stability by protecting sameness.
An institutional-integration-type state gains long-term expansion power by institutionalizing difference.
However, institutional integration does not succeed automatically just because outsiders are accepted. In TLA Layer 2, the failure risks of urban community and civic integration include shortage of women, exclusion of conquered populations, imbalance in subordinate relations, and fixed discrimination after integration. It is also understood that rule by fear in the late monarchy corrodes integration.
This is important. Integrating foreign groups into institutions does not mean merely giving them a name. It also does not mean merely forcing them into subordination. For institutional integration to succeed, outsiders must actually function inside Roman institutions, military organization, tax systems, marriage order, approval structures, land management, and religious order.
In OS Organizational Design Theory, the health of the Execution Layer is organized as M × T. M means Maturity. It is the maturity to understand institutions and order and to control one’s own behavior. T means Trust. It is the degree of acceptance toward the judgment of the ruling side and the driving energy by which the Execution Layer moves voluntarily. Institutional integration fails when this M and T cannot be formed.
6. Layer 3: Insight
A state that can integrate foreign groups into its institutions is stronger in the long term than a state that excludes them because exclusion leaves external people, external communities, and external resources as potential threats. Institutional integration can convert them into population, military force, tax capacity, marriage networks, Execution Layer, sphere of rule, and legitimacy.
A state cannot continue to grow only with the resources inside its own OS. Population is limited. Military force is limited. Land, water, cities, and trade routes are also limited. Therefore, for a state to expand and maintain itself over the long term, it must decide how to integrate external human resources, clans, conquered populations, migrants, allies, and subordinate communities into the internal structure of its own OS.
The strength of Rome did not come from the purity of excluding outsiders. It came from the conversion ability to integrate outsiders into institutions. If a state excludes foreign groups and outsiders, it may preserve internal sameness for a short time. However, it loses opportunities to increase population, military force, alliances, marriage networks, cooperation from conquered populations, and external resources. A state that excludes the outside reaches the limit of its internal resources quickly.
By contrast, a state that integrates outsiders into institutions does not merely accept the outside as it is. It converts outsiders through institutions.
Refugees are converted into residents.
Residents are converted into soldiers.
Marriage partners are connected to kinship networks.
Conquered populations are converted into taxpayers, military service groups, and allies.
Colonial settlements are converted into bases in the sphere of rule.
This is not merely a policy of tolerance. It is an advanced technology of governance that converts external resources into the Execution Layer and infrastructure of the state OS.
A state that can integrate foreign groups into institutions does not treat outsiders as mere foreign elements. It designs how they should be connected to institutions.
Who should become soldiers?
Who should become citizens?
Who should become allies?
Who should be connected to marriage networks?
Who should be placed in colonial settlements or frontier bases?
Who should carry tax, military service, or land management?
Through this mapping, the state converts the outside into internal resources.
If institutional integration succeeds, outsiders are no longer merely ruled subjects. They become carriers of the communal order. They become soldiers, taxpayers, residents, allies, parts of marriage networks, and members of colonial or urban order. Through this, the state OS can expand its population base, military base, economic base, and social legitimacy.
However, if institutional integration fails, outsiders do not function as the Execution Layer. Even if outsiders are formally placed inside institutions, T does not rise if discrimination becomes fixed, if the balance between rights and duties breaks, or if only rule by fear remains. In that case, integration exists only in form. Outsiders do not function as an Execution Layer. Rather, rebellion, distrust, separatism, sabotage, and hollow subordination can appear.
Therefore, the important point in institutional integration is not acceptance itself. What matters is whether outsiders can be connected to institutions, roles, duties, rights, military organization, tax systems, marriage order, approval structures, land management, and religious order. It is also necessary to form M and T.
In TLA Layer 2, the “integration-expansion phase” is the phase in which Rome expands its sphere of rule by absorbing surrounding communities through conquest, alliance, and civic integration. Its logic is that Rome transforms the outside into the inside not only through war, but also through peace agreements, colonization, civic integration, and mixed military organization. Its purpose and value are to convert expansion into sustainable integration.
This conversion of expansion into sustainable integration is the strength of a state that can integrate foreign groups into institutions. Conquest alone is only the temporary output of a military application. However, if the output can be converted into institutions through conquest, alliance, marriage, civic integration, colonization, and mixed organization, it returns to the state OS as population, military force, Execution Layer, sphere of rule, and legitimacy.
Therefore, a state that can integrate foreign groups into its institutions is stronger in the long term than a state that excludes them. An exclusion-type state gains short-term order by placing outsiders outside the boundary. But because it cannot convert the outside into internal resources, it faces the limits of population, military force, alliance, and institutional expansion.
An institutional-integration-type state does not leave different outsiders as they are. It places them inside institutions, gives them roles, connects them to duties and rights, and converts them into the Execution Layer of its own OS through marriage, military service, tax systems, colonization, and approval procedures. Through this process, outsiders are converted from threats into resources, from ruled subjects into members, and from foreign elements into institutional roles.
Therefore, a strong state in the long term is not a state that eliminates foreign groups. It is not a state that excludes them. It is a state that can integrate foreign groups into institutions and convert them into the population base, military base, Execution Layer, and legitimacy of the state OS.
7. Implications for the Present
This structure also applies directly to modern organizations.
In modern companies, an organization that excludes external talent, mid-career hires, people from other industries, foreign workers, acquired companies, vendors, regional branches, or departments with different cultures may preserve sameness in the short term. However, in the long term, it loses the ability to expand talent, technology, markets, and Execution Layers.
By contrast, an organization that can integrate different people and external organizations into institutions can convert the outside into growth resources.
The important point is not merely hiring people. It is not merely acquiring a company. It is not merely accepting external talent. The important point is how the organization designs institutional connection.
Which role should the outsider hold?
Which evaluation system should they be connected to?
What authority should they receive?
Which team should they join?
What responsibility should they carry?
Which culture should they be connected to?
Only through this design does the outsider become an Execution Layer of the organizational OS.
An exclusion-type organization places different people outside as “people who do not fit.” An institutional-integration-type organization places different people inside institutions as “resources that can carry new roles.”
Of course, this does not mean that everything should be accepted without judgment. Institutional integration requires the formation of M and T. External people cannot become organizational capability unless they understand the institution, accept their roles, trust the judgment of the organization, and move voluntarily.
Therefore, in modern organizations as well, long-term strength does not belong to organizations that exclude different people or external organizations. It belongs to organizations that can integrate difference into institutions and connect it to roles, authority, responsibility, evaluation, and Trust T.
8. Conclusion
A state that can integrate foreign groups into its institutions is stronger in the long term than a state that excludes them because exclusion leaves external people, external communities, and external resources as potential threats. Institutional integration can convert them into population, military force, tax capacity, marriage networks, Execution Layer, sphere of rule, and legitimacy.
Rome’s strength did not come from preserving a pure bloodline or excluding outsiders. It came from the integration OS that connected outsiders to asylum, marriage, civic integration, colonization, civic categories, mixed organization, alliances, and subordinate relations, and converted them into internal resources of the Roman OS.
An exclusion-type state gains short-term stability by placing outsiders outside the boundary. However, because it cannot use external resources, it faces the limits of population, military force, alliances, and institutional expansion.
An institutional-integration-type state places outsiders inside institutions. It gives them roles, connects them to duties and rights, and converts them into the Execution Layer of its own OS through marriage, military service, tax systems, colonization, and approval procedures.
Therefore, a strong state in the long term is not a state that excludes foreign groups. It is a state that can integrate them into institutions and convert them into the population base, military base, Execution Layer, and legitimacy of the state OS.
9. Sources
Titus Livius, History of Rome, Book 1, translated by Satoshi Iwaya, Kyoto University Press, 2008.
OS Organizational Design Theory_R1.30.16.00