The Age of Imperialism refers to the period in the late 19th and early 20th centuries when powerful nations sought to extend their influence and control over weaker territories around the world.
Related terms
Colonialism: The practice of establishing settlements and exerting political and economic control over a foreign land.
Nationalism: A strong sense of loyalty and devotion to one's own nation or country.
Sphere of Influence: An area in which an outside power claims exclusive investment or trading privileges.