For the first question I would say A, and the second question is the civil war
America's industrial revolution began to take root in A)new England, mostly because this is where lots of the water and supplies were. It never took place in the South.
The senate must approve all treaties with a 2/3 majority.
Based on this passage and what you have learned about the states, the states were unwilling to voluntarily work together in a confederation because each state had its own interests and needs.
Each state was in favor of proceeding their own interests and needs they believed that focusing on their needs would be a much better option in the long run. Unity wasn’t a wide practice during that era too.