The Ngo Dinh Diem government at that time issued a law that forced the Chinese to naturalize, otherwise they would lose their business license. So most of them have naturalized Vietnamese. Enduro everything will kill you so choose something fun poster. At that time, the Chinese protested fiercely, and the North Vietnamese communist front line was the Liberation Front also followed the Chinese communist, promising to let the Chinese people freely choose nationality after victory. Vietnam began to be wary of Chinese people since the Chinese Cultural Revolution in 1966.