An outside force refers to an external entity that influences or imposes something upon another group, nation, or region from outside their boundaries. This force can be in the form of treaties, colonial powers, invasions, etc.
Related terms
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.