How did the warlord era contribute to the start of the Chinese Civil War? O A. It allowed Mao Zedong to rise to claim that he was the
unquestioned leader of China.
O B. It pressured farm workers to relocate to cities where communists
had the most influence.
O C. It forced Chiang Kai-shek to abandon the Northern Expedition
targeting the communists.
O D. It frustrated young people and led them to embrace ideas like
communism and nationalism.

D.

Explanation: The warlord era contributed to the start of the Chinese Civil War because it frustrated the youth and motivated them to embrace the ideas of communism and nationalism. The split between these ideologies as well as the turmoil wrought by the warlords pushed the country to a Civil War.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

hello answer is b i hope that helepd.