Answer :
A. Vietnam
Three waves of immigration from Vietnam has come to the United States.
Three waves of immigration from Vietnam has come to the United States.
Answer:
Vietnam
Explanation:
Boat People, also called the Vietnamese boat people, were the refugees who managed to flee from the communist Vietnam in a boat or a ship right after the Vietnam War in 1975 ended. Most of those refugees were Hoa people. Most of the immigrant population went through this around 1978 but it in fact continued until the 1990s.