Japan's non-nuclear weapons policy
Japan's non-nuclear weapons policy is a policy popularly articulated as the Three Non-Nuclear Principles of non-possession, non-production, and non-introduction of nuclear weapons imposed by Douglas MacArthur during the Allied occupation of Japan following the Second World War. == Developmental history == Following World War II, the atomic bombings, at Hiroshima and Nagasaki and the deconstruction of their imperial military, Japan came under the US "nuclear umbrella" on the condition that they would not produce nuclear weapons.
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