For more than 1,000 years, the culture of was influenced by china.

arabia
india
thailand
vietnam

For more than 1,000 years, the culture of Vietnam was influenced by China. China has dominated Vietnam for more than a thousand years since the 111 BC until 938 AD, therefore, the culture of Vietnam was influenced by China in term of the administration or other aspects. Vietnam used the Chinese language in their administration process in this period. Vietnam also received many techniques from China.

Very useful. it is to learn because history repeats itself so learning about it those mistakes not happen again.