| A | B |
| topography | the physical features of a region |
| union | a joining together or uniting |
| tariff | taxes or duties charged on imported/exported goods |
| invasion | an attack or spreading out of something harmful |
| emancipate | to free from slavery |
| secede | to leave or withdraw |
| popular sovereignty | political theory that government is subject to the will of the people |
| devastated | left in ruins; destroyed |
| blockade | shutting off a place, like a coast city, by enemy ships or troops |
| combat | military engagement with the enemy |
| states' rights | the belief that rights or powers that are independent of the federal govt are reserved for the states by the Constitution |
| border states | slave states that remained loyal to the Union |
| compromise | the settlement of an argument by each side giving up something |
| secession | act of withdrawing from the Union |
| enlist | to join a branch of the armed forces without being forced to join |
| draft | the selection of a person for required military service |