Question

1. new territories were being added to the us during the 1800s. why did this westward expansion lead to more tension in the country (more divide between north and south)?

Explanation:

The main issue was slavery. As new territories were added, the North and South had opposing views on whether slavery should be allowed in these areas. The North was increasingly anti - slavery, while the South's economy was heavily dependent on slave - based agriculture. Disputes over the expansion of slavery into new territories heightened sectional tensions.

Answer:

The main reason for increased tension was the disagreement over the expansion of slavery into new territories, with the North and South having opposing stances on the issue.