Ulysses S.Grant
He was the final commander of the union Army
There was a contested election but Adam's won
Answer:
Because Cuba was located in a close proximity to USA, particularly to the state of Florida and many populous cities were in close to it.
Also, the sea region that Cuba is located in is close to the major trade route between the USA and Europe.
In addition, if USSR had the ability to place their missiles in Cuba, they could put the entire USA in their missile range.
Explanation:
