Now the Church insisted that pacifism based on love of neighbor was acceptable. Pius XII insisted that biological, chemical, and nuclear war are morally unacceptable under any circumstances because
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Now the Church insisted that pacifism based on love of neighbor was acceptable.   Pius XII insisted that biological, chemical, and nuclear war are morally unacceptable under any circumstances because they do not protect civilians and do disproportionate damage, but during the Reagan administration the American bishops allowed the possession of nuclear weapons if done on an interim basis and with no intent to use.