I'm not sure but I think A
Answer:
It provided an efficient way of transport
Explanation:
With steam power being made and used steam locomotives also known as trains to efficiently move and as far as I know, steam power was not used to do 2,3, or 4
Answer:
The Peninsula campaign of the American Civil War was a major Union operation launched in ... The president expressed his concern about the "vast labor" involved in the ... The landing was close to a key intersection on the road to New Kent Court House that was being used by Johnston's army
Explanation: