Answer:
The simple fact that communism was the complete opposite of capitalism. *Also the Domino Effect*
Explanation:
They were scared that communism would threaten the nation’s democratic values. Both the federal government and state governments reacted to that fear by attacking potential communist threats.
If you are regarding MLK Jr. Then answer b is the best answer. I'm sorry if this is not the answer you were looking for
Which war?
WWI = loans, unrestricted warfare, Zimmerman note, Germany attacking a neutral country (Belgium).
WWII = loans, Pearl Harbor.