Imperialism

Imperialism is a policy of extending control or authority over foreign entities as a means of acquisition and/or maintenance of empires, either through direct territorial conquest or settlement, or through indirect methods of exerting control on the politics and/or economy of other countries. The term is often used to describe the policy of a country in maintaining and dominating over distant lands, regardless of whether the country calls itself an empire.

Imperialism - Wikipedia, the free encyclopedia