Answer:
the question of whether slavery should be allowed in new territories
Explanation:
What led to the outbreak of the bloodiest conflict in the history of North America? 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.
Major Rafael Chacon, 1st New Mexico Cavalry.
Colonel Francisco Abreu, 1st New Mexico Cavalry.
Santiago Martin, 1st New Mexico Cavalry.
https://www.nps.gov/foun/learn/historyculture/new-mexico-volunteers.htm
I think it is the andes mountains but im not sure please dont hate me if you get it wrong
