<span>The mountains and deserts in western and southwestern China slowed the exchange of ideas</span>
I would say true because this was the time of "boom", as we called it.
A lot of mass production and all that ( More making cars, food, and lots more )
After that, however, was around the Great Depression, when lot's of things and people were lost.
Glad I could help, and good luck!
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Answer: Culture shock is AN expertise someone could have once one moves to a cultural atmosphere that is completely different from one's own; it's additionally the non-public disorientation someone could feel once experiencing
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