Respuesta :
Answer:
B:made a significant contribution to the civil service examination system.
Explanation:
Empress Wu was the only female emperor in the history of China. She reigned during the Tang Dynasty killed her children in order to become China's Only Female Ruler, she helped to improve the lives of the peasants by lowering taxes, building new public works, improving farming techniques and contribution to the civil service examination system(Chinese imperial examinations).
Answer: b. made a significant contribution to the civil service examination system
Explanation:
During the first half of the Tang dynasty’s rule, a civil service system was established. In it, scholar-officials were selected through standardized tests and previous references.
Eventually, Empress Wu changed the imperial examinations system so a new group of elite officials arising from more modest backgrounds could be included.