 At the same time, Gorbachev pressured his Cuban allies in Angola to scale down activities and withdraw even though Soviet allies were faring somewhat better there.The Soviets also pulled many of their troops out of Mongolia in 1987, where they were also having a far easier time than in Afghanistan, and restrained the Vietnamese invasion of Kampuchea to the point of an all out withdrawal in 1988.This massive withdrawal of Soviet forces from such highly contested areas shows that the Soviet government's decision to leave Afghanistan was based upon a general change in Soviet foreign policy – from one of confrontation to avoidance of conflict wherever possible.