Question

How and why did United States get involved in the Vietnam war?

Answer 1

To stop communism from spreading to south vietnam (D)

Step-by-step explanation:

Answer 2

The US got involved in the Vietnam War because it did not want another country going to communism (and therefore the Soviet sphere of influence) after what happened in China. Vietnam, Laos and Cambodia had been combined into a French colony called "French Indochina" back in 1887.