What where the results of WWII for the United States and the world?

As a result of the Second World War there were:

redefinition of the world order in favor of the superpowers: The United States, which confirms its hegemony in the capitalist bloc. The Soviet Union, which emerged as a major power, having a considerable influence in Eastern Europe. There has been a decline in Europe's political, economic and even cultural influence. Europe has plunged into a deep crisis The advance of military techniques of destruction. To the traditional instruments of war, were added new tanks, rockets, radars, airplanes, submarines, and atomic bomb. The foundation of the UN.

After the end of the war, a conference was held in Potsdam, Germany, to set up peace treaties. The countries that fought with Hitler lost territory and had to pay reparations to the Allies. Germany and its capital Berlin were divided into four parts. The zones were to be controlled by Great Britain, the United States, France and the Soviet Union. The three western Allies and the Soviet Union disagreed on many things and as time went on Germany was divided into two separate countries : East Germany, which had a Communist government and West Germany, which was a democratic state. Berlin was also divided into East and West Berlin. Austria was also occupied by the four Allies from 1945 to 1955.

Treaty of St. Germain (1919)

Treaty imposed on Austria after the war. Transformed Austria into "the tadpole state," with only 25% of its pre-war land and 20% of its pre-war population. Aside from territorial changes, the Anschluss was forbidden, and Austria's armed forces were reduced to 30,000 men. The reparations that were imposed on it caused the country to go to bankrupt in 1922.