Answer:
D. gained new territories.
Explanation:
When the United States won the Spanish-American War, they annexed new territories. Adding these new territories helped U.S. influence grow in the world.
The answer is C the roman empire
The answer is B I’m pretty sure! Hope this helps
None. slavery is a huge problem even today. in fact there are more slaves in america today than before the civil war. however slavery is very illegal so i guess the answer could be all 50 of them.