An empire is a large political unit or state that extends its authority over smaller territories or nations through conquest or colonization. Empires often have centralized governments and control over diverse populations.
Related terms
Imperialism: A policy or ideology of extending a nation's power by acquiring territories and forming colonies.
Dynasties: Ruling families that maintain power over an empire for several generations.
Tribute: Payments made by conquered territories to the ruling empire as a sign of submission or loyalty.