Answer:
Vietnamese national identity has been forged in opposition to foreign invaders. But while a united Vietnam is a recent development, the country has long been coloniser as well as colonised.
Step-by-step explanation:
Starting in 1054, Vietnam was called Đại Việt (Great Viet). During the Hồ dynasty, Vietnam was called Đại Ngu. ... In English, the two syllables are usually combined into one word, "Vietnam". However, "Viet Nam" was once common usage and is still used by the United Nations and by the Vietnamese government.