Cross-cultural dialogue is significant in international politics as it fosters mutual understanding and reduces conflict among nations. By encouraging conversations across cultures, countries can bridge differences, promote peaceful coexistence, and nurture cooperation on global issues. Such dialogues often lead to agreements on trade, environmental protection, and security, creating a more stable international environment. Additionally, cross-cultural interactions can inform domestic policies, ensuring that they consider the perspectives of diverse global communities, thus enhancing the effectiveness and appropriateness of international relations.