- 1955-1960: CCP disagreement with Soviets on:
- how to evaluate Stalin + de-Stalinisation
- direction Nikita Khrushchev was leading the international communist movement
- differing interpretations of Marxim-Leninism
- Khrushchev reaching out to the West
- Soviet proposal to build a joint long-wave radio station and nuclear submarine fleet in China
- 1959-1960: USSR refused to support China in its conflict against India
- 1960 July: Moscow pulled all Soviet advisers and technical personnel from China + Mao ordered them out
- 1960s: Sino-Soviet split
- dispute spread from ideology to state-to-state relations
- tensions rose along Sino-Soviet border