Intervention: Intervention occurs when an external entity interferes in the affairs of another country usually for strategic reasons such as promoting peace, stability, human rights enforcement etc.
Hegemony: Hegemony refers to the dominance or influence exerted by one country over others through economic, cultural, military power without necessarily using direct control methods.
Neocolonialism: Neocolonialism describes how powerful countries maintain control over weaker nations indirectly, through economic and political influence, rather than through traditional colonial methods.