Why Vietnam is a multi-nationality country?Đoạn văn55/73Why Vietnam is a multi-nationality country?Because there are 54 nationalities in Vietnam.Because the Kinh is the most major ethnic group in Vietnam.Because there are many people in Vietnam.Because there are 54 peoples in Vietnam. Giải thíchChọn D Thông tin: Vietnam is a multi-nationality country with 54 ethnic groups.