The Wilmot Proviso aimed to abolish slavery everywhere in the United States.

Multiple Answer (select all correct responses) The Kansas–Nebraska Act caused:

Railroads played little role in the Civil War.

Multiple Answer (select all correct responses) Which factors drove westward expansion?

Black soldiers served only in non‑combat roles.

Multiple Answer (select all correct responses) Arguments made by Stephen Douglas included:

The Union had a population advantage over the Confederacy.

Multiple Answer (select all correct responses) African‑American soldiers faced:

The Compromise of 1850 permanently settled the issue of slavery in the territories.

Besides food and drugs, the Food and Drug Administration also regulates: