Concerns over which (modern) territory was a secondary cause of the Civil War?

the Northeast

the deep South

the West

the Southeast

1 answer

Concerns over the West were a secondary cause of the Civil War. The expansion of the United States into Western territories raised contentious issues regarding the extension of slavery into these areas, leading to significant conflict over whether new states would be slave states or free states. This tension contributed to the overall sectional strife that culminated in the Civil War.