The document defines and discusses several key concepts related to imperialism: 1) Imperialism involves extending a country's power and influence through diplomacy or force, while colonialism involves acquiring political control over another country and exploiting it economically. 2) Social Darwinism supported imperialism and racism by arguing that stronger countries had a right to dominate weaker ones, similar to survival of the fittest among species. 3) "The White Man's Burden" poem promoted the idea that white races had a responsibility to care for non-white subjects they ruled. 4) The scramble for Africa in the late 1800s saw European powers invade, attack, and occupy Africa to claim