The french revolution occured in 1970
The correct answer here - that wasn't true for the economies at the end
of the World War II was that the GNP and corporate profits doubled.
What
did happen though was that almost every country that was involved in
this conflict found its resources to be mostly depleted and this in no
way meant that corporate profits were being doubled.
Hope this helps!!!
Sometimes they figure out how to build better shelters or learn better farming and hunting techniques for the environment they live in