Japan and the shaping of post-Vietnam War Southeast Asia

The Vietnamese invasion of Cambodia in 1978 and the consequent outbreak of the Cambodian conflict brought Southeast Asia into instability and deteriorated relations between Vietnam and the subsequently established Vietnam-backed government in Cambodia on the one hand and the Association of Southeast Asian Nations (ASEAN) countries on the other. As a result of the conflict, the Soviet Union established a foothold in Southeast Asia while China, through its support of the anti-Vietnam Cambodian res