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Why did river valleys most farming impact the lives of neolithic peoples?

Which roman emperor was responsible for a major shift in the dominate religious attitude of the roman empire?

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.