USA HISTORY

Detailed explanation-1: -An empire is an aggregate of many separate states or territories under a supreme ruler or oligarchy. This is in contrast to a federation, which is an extensive state voluntarily composed of autonomous states and peoples. An empire is a large polity which rules over territories outside of its original borders.

Detailed explanation-2: -a(1) : a major political unit having a territory of great extent or a number of territories or peoples under a single sovereign authority. especially : one having an emperor as chief of state. (2) : the territory of such a political unit.

Detailed explanation-3: -An empire is a sovereign state made up of many countries or cultures that are ruled by a single individual, usually an emperor or empress.

Detailed explanation-4: -a group of nations or peoples ruled over by an emperor, empress, or other powerful sovereign or government: usually a territory of greater extent than a kingdom, as the former British Empire, French Empire, Russian Empire, Byzantine Empire, or Roman Empire.

Detailed explanation-5: -A territorial empire is an empire that is gained through direct military conquests–an empire taken by direct force. A hegemonic empire, on the other hand, is an empire that is created by exerting influence and coercing other states into doing things. There have been many empires over the course of history.