Economic aspects Imperialism History 40 Capitalism 19 Political aspects 18 Social aspects 16 Colonies 15 more ... Economic conditions 15 Foreign economic relations 9 Globalization 8 Racism 7 Economic history 6 Foreign relations 6 Slavery 6 Indigenous peoples 5 Territorial expansion 5 African Americans 4 Civilization, Western 4 Commerce 4 Economic development 4 Economic policy 4 Emigration and immigration 4 Government policy 4 International economic relations 4 International relations 4 Neoliberalism 4 Race identity 4 Social conditions 4 Socialism 4 Violence 4 less ...