The Sierra Nevada Mountain.
Answer:
the last one is the final answer
Well even though they wanted to be an isolated country without other people's cultures mixed in, they did take a couple of things from the Chinese. Like the writing system and the religion (Buddhism). I think they sort of took influences from the Europeans as well, I think. They had samurais, similar to Knights; both held courage and loyalty above all things. I hope a helped a bit!
I believe you are referring to the evacuation of Saigon (Fall of Saigon) on April 30, 1975. If so, the correct answer is c. The U.S. evacuated Vietnamese whose lives would be in the greatest danger if they were to be left behind.