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.
That is true............................
<span>Preserving the national security of the United States, Promoting world peace, a secure global environment, and Maintaining a balance of power among nations.</span>
Countries that have "free-market" economy generally have better standards of living. It is an economy whereas it is dependent of supplies and demands. By no meaning it has no controls within the government.