D) To fight the spread of communism.
Because of the Domino Theory they thought that if Vietnam fell into Communism, the whole region would follow. So therefore they wanted to support South Vietnam in order to contain Communism in Asia.
Here we are again xD
The answer to your question is
B Palestinians terrorists kidnapped and murdered eleven Israeli athletes at the Munich Olympics.
Answer:
Another way that the two new superpowers differed was their economic policies (capitalism in the US, communism in the USSR) and their governmental systems (democratic republic in the US, totalitarianism in the USSR).
Member's received illegal kickbacks. Those kickbacks from oil companies made some members rich men and the scandal broke etc