A policy or ideology by which a country expands its power and influence over other nations or regions through colonization, military conquest, or other means. It results in the domination and control of one country or region by another, leading directly to the exploitation of resources, the suppression of local cultures, and the establishment of economic and political dominance.

• Doe, J. (2022). Imperialism and Its Global Impacts: A Historical Overview. Cambridge University Press.