Answer:
By giving them easy to follow directions to succseed
Explanation:
Vietnam Conflict - The U.S. became involved in this conflict because they didn't want Vietnam to be a communist and thought that the other Asian countries would also fall into communism.
The U.S. sent out a lot of military assistance to Vietnam.
The question " Do you agree with the U.S. involvement in the Vietnam Conflict? Was it necessary?" is more of an opinion and I'll leave that with you, sorry.
It’s rotation. Earth is an oblate spheroid because of it