It spread through via international airline travel very quickly.
<span> Military spending that began in 1940 to bolster the defense effort gave the nation’s economy the boost it needed, and millions of unemployed Americans returned to work to make the weapons of war needed to protect the United States
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Answer:
The differences include:
Japanese feudalism wasn’t based on hierarchy while the European was based on hierarchy.
The Japanese system was based on Chinese Confucian law and Buddhism while the European system was based on Roman and Germanic law.
The similarities is that the two systems causes series of war fare and societal unrest.