Which of the following statements about the Vietnam War is true?
A. It was caused by the Cambodian invasion of Vietnam.

B. The U. S. Congress refused to authorize aid to South Vietnam initially.

C. Most people in the U. S. supported the nation’s involvement in the war.

D. The war was clearly won by South Vietnam.

A. It was caused by the Cambodian invasion of Vietnam. (I think)

Explanation:

d. it spread christianity. i just took the test and got it right.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.