Answer:
The answer would be B, because the Emancipation Proclamation is what changed the war from being just about the preservation of the Union.
Use text evidence to help you
It was important because it started the American revolution
Did you get these answers? I'm also curious. I think the first in Vandals, but idk about the second one.
The answer would be B) These inventions led to increased business productivity and economic growth
I hope this helps :3