Questions Refer to the Image Below

Questions refer to the image below.
Chinese Stamp, "Treaty of Friendship, Alliance and Mutual Assistance," showing Joseph
Stalin and Mao Zedong Shaking Hands (1950)
-Which of the following would MOST likely contradict the message being shown in the image above?

A) Chinese intervention for North Korea in the Korean War
B) Soviet support for North Vietnam in the Vietnam-American War
C) Mao's reliance on rural peasants and Stalin's reliance on urban workers to support communism in China and Russia, respectively
D) Improved relations between the United States and China in the 1970s