Answer:
To stop the spread of Communism
Explanation:
Every American president after WW2 had the goal of limiting the reaches of Communism.
I know this does not help but put ur mind into it and trust me u will succeed.
Answer:
Lincoln replaced McClellan with Ambrose E. Burnside, and Fitz-John Porter
WW2 took place on 1st September 1939 AD and ended on 12th September 1945 AD