It experienced a stability partly because it gave the idustrial middle class :
They encouraged people to settle because they were looking for an economic opportunity so not A and they mostly thought they were going to get rich from gold, so not B so I would say C
Answer: B. were not completely unified
Explanation:
the founders made the amendment process difficult bcz they wanted to lock in the political deals that made the ratification of the Constitution possible.
Cut the Confederacy in two.