empire History 9 Colonies 3 Politics and government 3 Achaemenid Empire 2 Imperialism 2 Social aspects 2 administration 2 colonial 2 colonialism 2 history 2 16th century 1 1950s 1 19th century 1 20th century 1 Administration 1 Ancient history: to c 500 CE 1 Anno Domini 1 Archaeology 1 Archaeology and history 1 Archaeology by period / region 1 Architecture and society 1 Architecture and state 1 Asian history 1 Blackstone, William 1 British West Indies 1 Bronze Age 1 Caribbean 1 Civilization, Modern 1 Civilization, Western 1