What was the impact of World War II event on the world's economy?

In Japan, the Japanese were aided by the US and they were able to recover substantially fast. The US sent businessmen and scientists to aid them in their recovery of the economic base.

Europe was nearly bankrupt in all the nations. Germany was bankrupt. They had to rebuild their economy and rebuild a nation which had been reduced to rubble.

The US created the Marshall Plan to assist nations affected by World War 2. It provided loans, monetary gifts, seeds, farm equipment and building equipment and food or medications. This did help Europe, part of Africa and Asian nations to reconstruct and repair their economies.