i think that is the answer Marxin-Leninist
Answer:
1.) A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict. A key issue was states' rights
2.) The new United States government was thus free to acquire Native American lands by treaty or force. Resistance from the tribes stopped the encroachment of settlers, at least for a while.
The correct answer is the second option
