Answer:
The Monroe Doctrine was successful in keeping the United states out of European affairs because after it was issued there was a decrease in foreign conflict for nearly 100 years until WWI.
Explanation:
They blamed the jews for the loss of WW1
True due to the racial acts
Its biggest impacts were geological, political, and economic. Best of luck!
China and the Soviet Union threatened to intervene if the United States continued to apply its military might on behalf of the south Vietnamese.