Answer:
Five are considered to be nuclear-weapon states (NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). In order of acquisition of nuclear weapons these are the United States, Russia (the successor state to the Soviet Union), the United Kingdom, France, and China.
The Marshall plan helped in stopping the communist aggression and expansion in Europe during the Cold War by establishing a global trade wherein it emphasizes "free market" and "encourage European peace." The plan helped to economically sustain and stabilized the war-torn countries in Europe.
