Where did mary yu change live before the chinese - Japanese war?

Asian Americans are a growing, minority population in the United States. After a 46 percent population growth between 2000 and 2010 according to the 2010 Census, there are 17.3 million Asian Americans today. Yet Asian Americans as a category are a diverse set of peoples from over 30 distinctive Asian-origin subgroups that defy simplistic descriptions or generalizations.

Yu was lliving in Shanghai. She then left and went to Chongqing either during or after war.