For a multiple choice question, we cannot help you unless you state the choices.
Answer:
China had become communist in 1949 and communists were in control of North Vietnam. The USA was afraid that communism would spread to South Vietnam and then the rest of Asia. It decided to send money, supplies and military advisers to help the South Vietnamese Government.
Explanation:
He was one of the very few African American Major League baseball players (aside from Robinson)
The period was called the middle ages (dark ages).