The reportedly already strained Sino-Soviet relationship deteriorated sharply in 1959, when the Soviets started to restrict the flow of scientific and technological information to China. The dispute escalated, and the Soviets withdrew all of their personnel from China in August 1960. In 1960, the Soviets and the Chinese began to have disputes openly in international forums. | The reportedly already strained Sino-Soviet relationship deteriorated sharply in 1959, when the Soviets started to restrict the flow of scientific and technological information to China. The dispute escalated, and the Soviets withdrew all of their personnel from China in August 1960. In 1960, the Soviets and the Chinese began to have disputes openly in international forums. |