How did the family of Chiang Kai-Shek make a living?

Chiang Kai-shek (31 October 1887 – 5 April 1975),also known as Chiang or Chieh-shih , was a Chinese Nationalist politician, revolutionary and military leader who served as the leader of the Republic of China between 1928 and 1975, first in mainland China until 1949 and then in Taiwan until his death.

Explanation:

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.