| A | B |
| imperialism | empire building |
| siege | a long attack |
| armistice | agreement to stop a war |
| isthmus | narrow strip of land connecting two larger pieces of land |
| progressive | a person who wants to improve government |
| commissions | committees |
| conservation | a way to protect the environment by not destroying natural resources |
| primary election | an election in which people compete to be their party's candidate |
| merit system | a way to make sure people are qualified for governemnt jobs |
| political boss | elected offcial who has many dishonest employees |
| civil rights | rights of citizens to equal treatment |
| prohibition | plan to stop people from drinking alcohol |
| militarism | belief that using military force is a good way to solve problems |
| alliances | partnerships |
| allies | countries that have alliances |
| military draft | a way of bringing people into the Army |
| no-man's land | land not held by either side during a war |