| A | B |
| absolutism | political system in which one ruler has complete authority over the governments and the lives of the people |
| Agrarian Revolution | change in farming methods in the 1600s |
| Allied Powers | World War I alliance of Britain, France, U.S., and Russia |
| animism | belief that every living and nonliving thing has a spirit |
| anti-Semitism | prejudice against Jews |
| apartheid | South African policy calling for separation of the races |
| appeasement | policy of giving in to an aggressor's demands in order to keep peace |
| aristocracy | a government ruled by the upper class |
| armistice | agrement to end fighting |
| autocrat | a single ruler with complete authority |
| balance of power | distribution of political and economic power the prevents any one nation from becoming to strong |
| balance of trade | difference between how much a country imports and how much it exports |
| Bible | sacred scriptures of Christianity |
| Bolshevik | member of 1917 revolutionary group in Russia |
| Boxer Rebellion | event in 1900 which a group of Chinese protesters assualted foreign communities in China |
| brahman | single unifying spirit of the Hindu belief |
| bubonic plague | a contagious disease that devastated the world in the 1300s |