Why were the Western powers shocked that Mao Zedong won his 1949 communist revolt in China?
a. It made them wonder if communism was the way to go
b. It made them wonder if ordinary U.S. citizens were posing as communist spies.
c. It made them wonder if the U.S. government was doing enough to stop the communist threat.
d. It made them wonder if they could trust their own government to not accuse them of being communist spies.