Respuesta :

the answer is the 2nd letter in the English alphabet

Answer:

b) American military advisors

Explanation:

American military advisors played a crucial role in training and supporting the South Vietnamese army during the Vietnam War. They provided essential guidance and assistance to the South Vietnamese forces in their conflict against the Vietcong and North Vietnamese troops. This support was a significant aspect of the military dynamics during the war and had a lasting impact on the outcomes of various engagements.

I hope this can help you :D