The United States Ended Its Official Occupation of Japan After

The United States ended its official occupation of Japan after World War II

A) in 1950,when the United States was forced by necessity to divert its diplomatic and military efforts to Korea.
B) in 1949,as soon as it was clear that China would not become an American economic center in Asia.
C) once General Douglas MacArthur had established political and military stability there in late 1949.
D) after the two nations signed a peace treaty and a mutual security pact in September 1951.