Why did the scientific breakthroughs of the sixteenth and seventeeth centuries have such a powerful effect on so many Enlightenment figures?

The quote below is an excerpt from the charter of the united nations: "the purposes of the united nations are: to maintain international peace and security, and to that end: to take effective collective measures for the prevention and removal of threats to the peace, and for the suppression of acts of aggression or other breaches of the peace, and to bring about by peaceful means, and in conformity with the principles of justice and international law, adjustment or settlement of international disputes or situations which might lead to a breach of the peace . " source:this section implies that the united nations is prepared to do what to keep world peace?

Why is the end of the cold war tied to the american domestic economy during this time?

Who would agree with this quote? "a revolution is no picnic. we must eliminate capitalism and emperialism even if thousands have to sacrifice their lives."