Answer:
I would definitely do some research on the interent for the asnwer
The Louisiana Purchase, which was purchased by the United States from France, greatly impacted the development of the US in that it gave the US a large area of land for extremely cheap.
Bomb shelters and refugee centres, I think
Thousands of Allied troops were marched to their death as they walked to their prison camp. They were treated miserably, often hit and told to march all day.
Very few of the many Allied troops that marched survived
hope this helps
I could impact it because Lincoln really helped the slaves escape hope it help