Answer:
I would say C.
Explanation:
The Union did gain control of the Mississippi River and used that power during the war as another way of fighting against the Confederacy.
Sorry if wrong..
Answer:
he organized the American troops, ammunition, and supplies.
Explanation:
Austria Hungary, Germany, Bulgaria and the Ottoman Empire were part of the central powers in WW1.
The answer would be B) These inventions led to increased business productivity and economic growth
I hope this helps :3