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).
Puerto Rico was acquired from the Spanish in the Spanish-American War along with Guam and the Philippines. ~Treaty of Paris~
Answer: The answer is Resources.
Explanation: Just took the test and this is the correct answer. I hope this helps
Buzz Aldrin was the second man who travelled to the moon
Answer:
It was adopted in 1948 by the UN General Assembly.
Explanation:
Im pretty sure this is the correct answer lol good luck on your assignment!