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.
I’m sorry I’m very tired but feel the need to answer just look it up individually it should tell you everything you need to know
It seeks to establish a society based on democratic values, social justice and fundamental human rights.