| A | B |
| Armenians | faced genocide During WWI |
| Atomic Bomb | dropped on Hiroshima and Nagasaki |
| Arms Race` | race to develop better weapons |
| Aztecs | pre Colombian civilization in Central Mexico |
| Balkans | experienced ethnic cleansing against Muslims |
| Black Death | killed 25% Europe's population |
| Bolsheviks | promised peace, bread, and land |
| Buddhims | religion based on self denial |
| Byzantine Empire | eastern part of Roman empire |
| Christianity | doctrine of salvation by grace |
| COld War | conflict between U.S. and Soviet Union |
| COlumbain Exchange | exchange of goods, people, disease |
| Commercial Revolution | transition from Middle Age economy to Mercantilism |
| Confucianism | emphasizes obedience and order |
| Crusades | attempt to recapture holy land from Muslims |
| English Bill of Rights | William and Mary gave subjects rights |
| Imperialism | domination of a small country by large powerful one |
| Free Enterprise | based on supply and demand and consumer choice |
| Fourteen Points | created by Wilson, included Leauge of Nataions |
| French Revolution | violent overthrow of French Monarchy |