The three nonnuclear principles were intended to

The Three Non Nuclear Principles were intended to keep Japan from ever developing or using nuclear weapons.

Explanation:

After the fall of the atomic bombs on Hiroshima on August 6, 1945, and Nagasaki three days later, in 1967 Japan adopted what is known as The Three Non Nuclear Principles

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

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