| Term | Definition |
| tariff | a tax on imported goods |
| states rights | the idea that states, not the federal government, should make the final decisions about matters that affect them |
| sectionalism | loyalty to one part of the country |
| abolitionist | someone who joined the movement to abolish, or end, slavery |
| discrimination | the unfair treatment of particular groups |
| underground railroad | a series of escape routes and hiding places to bring slaves out of the south |
| slave state | a state that permitted slavery |
| free state | a state that didn't have slavery |
| union | another name for the united states |
| fugitive | a person who is running away |
| secession | when a country leaves or breaks off from the rest |
| civil war | a war between two groups or regions within a nation |
| confederacy | the name chosen by the states that left the union at the time of the civil war |
| bar graph | a graph that compares amounts of things |
| circle graph | a graph that illustrates how a part compares with the whole |
| popular sovereignty | an idea that the people who live in a place make decisions for themselves. |