On what political idea did president truman base the marshall plan? a) as prosperity in europe increased, the threat of communism spreading would decrease. b) as peace throughout the world increased, the threat of another world war would decrease. c) as the power of capitalism increased in europe, stalin's power in the soviet union would decrease. d) as economic aid increased in europe, the friendship of nations with the united states would increase.

D

Explanation:

Some of the others might be 1/2 truths, but the major idea was D.

The Marshall plan was meant to build up the confidence and prosperity of the countries that were devastated by war. Instead of bleeding the countries to death that lost the war, they were help economically as were some of the friends of the allies.

It was a brilliant and far reaching plan; suddenly everyone who could be wanted to be America's friend. It did exactly what D suggests.