To begin, it didn't promote "peace" as much as it promoted a "cold war" which is the whole point of the name, Cold War.
Nuclear Weapons essentially forced the US and the Soviet Union into an uncomfortable draw.
They knew they couldn't fight each other directly so they fought each other in a series of devastating proxy wars around the world.
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A supreme court justice is not an elected official.
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Louise Joy Brown is an English woman who was the first human to have been born after conception by in vitro fertilisation experiment (IVF). ... Her birth, following a procedure pioneered in Britain, has been lauded among "the most remarkable medical breakthroughs of the 20th Century"
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Assuming you're referring to the period surrounding the Civil War--one example would be that Republicans wanted to make slavery illegal, which would have "controlled" the private lives of slaveholders in the South.