Conquest, displacement, massacres (Jallianwala Bagh, Amritsar; Mau Mau suppression; Tasmania's Black War), forced labor, punitive expeditions.
Mercantilist then free-trade imperialism: raw materials out (cotton, tea, rubber, minerals, grain), manufactured goods in. Deindustrialized India, Egypt, China. Famines exacerbated by export policies (Bengal 1770, 1943; Irish Potato Famine context).
Sedition laws, censorship, detention without trial (India's Defence of India Act, Kenya's Emergency), execution of rebels (1857, 1916, 1950s). Denied self-determination.
English-medium education, missionary conversion, suppression of languages/religions/legal systems. "Civilizing mission" rhetoric justified subjugation.
Deforestation (shipbuilding, plantations), soil exhaustion (monocultures), hunting (near-extinction of bison, whales), introduced species, railway/mining scarring.
Imperial wars (Opium Wars, Boer Wars, WWI/WWII colonial fronts), partition violence (India/Pakistan, Palestine, Cyprus, Ireland), proxy conflicts.
Scientific racism, "White Man's Burden," hierarchical citizenship, apartheid precursors, color bars.
Infrastructure (rail, ports, law, education, language) left behind—but designed for extraction, not development. Postcolonial nations still unwind structural legacies.