The US was the most productive country in the world. It produced many things and needed to sell them.
Sherman's March to the Sea (also known as the Savannah campaign or simply Sherman's March) was a military campaign of the American Civil War conducted through Georgia from November 15 until December 21, 1864, by Maj. Gen. William Tecumseh Sherman of the Union Army.
basically in Georgia
I Believe it was president Harry S. Truman
It is A, because it was only the Soviet and USA. Hope it helps!