China-USSR Relations: development and changes Period of doubts: USSR backed CPC morally but suspected it as nationalist( 1946-49) eriod of honeymoon: USSR recognizing PRC, conclusion of the PRC- USSR treaty, USSR's economic assistance to PRC( 1950- 1955 Period of split: Khrushchev's criticism of Stalin and peaceful transition theory(1956); CPC not agree with him USSR's suggestion of Co-building long wave station and common fleets(1958): CPC strongly opposing them USSR tearing up PRC- USSSR national defense new technology agreementsChina-USSR Relations: development and changes Period of doubts: USSR backed CPC morally but suspected it as nationalist ( 1946-49) Period of honeymoon: USSR recognizing PRC, conclusion of the PRC- USSR treaty, USSR’s economic assistance to PRC ( 1950- 1955) Period of split: Khrushchev’s criticism of Stalin and peaceful transition theory (1956); CPC not agree with him USSR’s suggestion of co-building long wave station and common fleets (1958); CPC strongly opposing them USSR tearing up PRC- USSSR national defense new technology agreements ( 1959)