Colonial expansion refers to the movement and establishment of colonies by one country into the territory of another country. It usually involves the acquisition and control of land, resources, and political influence.
Related terms
Imperialism: Imperialism is a policy in which a powerful country extends its control or influence over weaker nations or territories.
Manifest Destiny: Manifest Destiny was the belief that it was America's destiny to expand its territory from coast to coast, often resulting in conflicts with Native Americans and neighboring countries.
Sphere of Influence: A sphere of influence refers to an area where a foreign power has significant economic, political, or military control without direct governance.