Read more at http://asianhistory.about.com/od/governmentandlaw/fl/The-Sino-Soviet-Split.htm || Text cited from this website.
The split between China and the Soviet Union can be awarded to many different causes, including the differences between Marxism and Maoism, the struggle for power between Nikita Khrushchev and Mao Zedong, and each nation's relationship with the US.