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History 18 Online
OpenStudy (anonymous):

Which factors led to the development of the four river-valley civilizations of Mesopotamia, Egypt, the Indus Valley, and China? CHOOSE ALL ANSWERS THAT ARE CORRECT. A. a nearby river B. the construction of places of worship C. people doing different jobs D. the building of villages and cities E. the ability to communicate widely through writing

OpenStudy (anonymous):

A.

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