Nation-State: A nation-state exists when there is congruence between a specific ethnic group (nation) and the political entity (state). It signifies that both the people living within its borders share a common culture.
Self-Determination: Self-determination refers to the right of people or nations to freely determine their political status and shape their economic, social, and cultural development without external interference.
Decolonization: Decolonization refers to the process by which colonies gain independence from imperial powers. It involves a shift from colonial rule to self-governance.