Answer:
All I know is the 3rd question of part 2 which is The union won and abolished slavery.
Explanation:
<span>It showed the world that the US was ready to expand its empire and gain resources in other parts of the world. It also let the world see how strong the US's army and navy really were, as this was the first time in quite a while that they fought anybody outside of America.
Hope This Helped... Please mark as brainliest.</span>
When unions were first organized, union leaders were in competition with one another in order to get the most active labor members, but they soon realized that this was a failing tactic and often united into single groups.
Restructuring of the south, and allowing the southern states back in
