Answer:
b
Explanation:
Cold War, the open yet restricted rivalry that developed after World War II between the United States and the Soviet Union and their respective allies. The Cold War was waged on political, economic, and propaganda fronts and had only limited recourse to weapons.
It gave the president of the United States the power to
defend against any aggressive acts aimed at the U.S. This was the beginning of American
Involvement in the Vietnam War which would be the first war where America was
defeated.
The answer would be B, it involved a deliberate effort to eliminate all the people in one ethnic or cultural group.
Genocide is the systematic, deliberate elimination of everyone in a particular ethnic, cultural political, religious, etc, group.
The answers A I learned this last year in school. :D