I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
Capitalists control free enterprise that mean a communists countries control economy so it would be A
Answer:
September 2nd 1945 lasting 6 years and 1 day
Explanation:
It helped their crops tremendously with growth and production. Floods fed the crops enough to produce a lot and grow aswell.
