In the Civil War, Kentucky and Missouri, and Maryland, though powerful slave states, did not secede from the Union.

All this territory was acquired by the United States in what year, by what treaty?

In their secession documents, southern states repeatedly cited their concern over one issue as the reason they were leaving the Union.  This one issue was 

How did James K. Polk add Oregon Territory to the United States?

Which of the following is/are true of the Oregon Trail?

Americans got very interested in settling Oregon territory and the far west in the mid-1800s.  Consider, however, that the Pacific side of North America was separated from the United States by thousands of miles and the Rocky Mountains.  How did Americans even know that there was good land out there?

European exploration and colonization of the New World began after what two events significantly altered European culture?

Who was Preston Brooks?

Secession documents make clear that when southern states seceded from the United States, the made they were motivated to do so solely to defend states’ rights.

In the Election of 1860, who’s this guy?