500 POINTS PLEASE HELP ASAP PLEASE AND THANK YOU HURRY What was the Marshall Plan?

An alliance between the Soviet Union and its satellite nations.
The Soviet's plan to create an atomic bomb.
The U. S. plan to airlift supplies to Berlin.
A U. S. aid program to rebuild the economies of Europe after World War II.

D. A U.S. aid program to rebuild the economies of Europe after World War II.

Explanation:

i believe the answer is:

-   william jennings bryan is a democrat while mckinley was a republican

at that time, the segment of population that choose for democratic party were the voters with low economic background and vice versa

- william jennings has support of populists and wants to have inflation to farmers while mckinley has support of bankers and businessmen , doesn't want inflation

the fixed value of gold make the large business able to stack up their gold without   being worried that it would devaluated.

- william jennings supported the silver standard while mckinley supported the gold standard

according to jenning, using other metal beside gold could the poor people to have more purchasing power and them advance in the society.

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.