What was one of wu zhao's accomplishments as ruler of the tang dynasty?

She oversaw the conquest of Korea.

Explanation:

Wu Zhao (624 CE - 705 CE), is the post-mortem name of the woman who started as a concubine and grew to become empress of China in the Tang dynasty (618–907). Wu Zhao reign was long lasting, and during the last 15 years, between 690 and 705, she was able to rule in her own name. She managed to consolidated, the Tang Dynasty and unify the empire. Under military officers who had been selected by the empress, the Tang empire overcame Korea.