background & causes library

Learn about Background & Causes of the U.S. Civil War and get information on topics related to Background & Causes of the U.S. Civil War.

Featured Article: Underground railroad

Underground railroad was an informal system that helped slaves escape to the Northern States and Canada during the mid-1800's. See more »

Popular sovereignty

Popular sovereignty, also called squatter sovereignty, was the doctrine that the people of a territory, rather than the United States Congress, should decide whether to permit slavery in the territory before it became a state.

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Underground railroad

Underground railroad was an informal system that helped slaves escape to the Northern States and Canada during the mid-1800's.

See more »

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