Determining territorial rights is a complex international legal and political issue that often involves multiple factors, not just ancient territorial relations. Here are some considerations: 1. **Historical factors**: While historical territorial ownership can provide some context, it is not the only determining factor. Historical borders often undergo multiple changes, and interpretations of historical events may vary. 2. **International law**: Modern international law, including the UN Charter, emphasizes respect for existing national borders and prohibits changing borders by force. 3. **The principle of national self-determination**: This principle allows people living in a certain area to determine their political status and freely choose their economic, social and cultural development. 4. **Treaties and agreements**: Treaties and agreements between countries also play an important role in resolving territorial disputes. 5. **De facto control and governance**: A country's long-term de facto control and effective governance of a region may also serve as the basis for territorial rights. 6. **International adjudication and arbitration**: Some territorial disputes are resolved through international courts or other forms of international arbitration. Therefore, the issue of territorial rights usually requires a comprehensive consideration of historical, legal, political and practical factors. In reality, each dispute is unique and often requires resolution through negotiation and international cooperation.