They Preceded in Triumph of Germany and Japan World War 2 ended the Great Depression as defecit spending was increased and more jobs were avaible
world war 2 ended in 2 September 1945.
Europe .
The United Nations
1939 for europe, 1941 for the us
Italy
Neutrality
The US was in the World War 2 from December 7/8th 1941 to August of 1945. They had to stay in Europe and Japan for many years after the war too.
We landed in Normandy , France.
Marshall Plan
lend lease to Britain of war supplies.............................
Cold War.
The USSR by invading country's and not leaving them after the war.