The United States Did Not Believe China Would Intervene in the Korean

Multiple Choice

The United States did not believe China would intervene in the Korean War because:

A) the Chinese government had been an ally of the United States.
B) China had no apparent strategic interest in protecting North Korea.
C) China obviously lacked the capability to effectively launch an attack against U.S.troops.
D) the Chinese government did not pay any real cost in making the threat.