The second wave of imperialism refers to the period from the late 19th century to the early 20th century when European powers, along with Japan and the United States, expanded their colonial empires through conquest and economic domination.
Related terms
Colonial empires: Large territories controlled by imperial powers outside their own borders.
Conquest: The act of taking control or possession of a territory by force.
Economic domination: Exerting influence over another country's economy through trade, investment, or exploitation.