What impact did the aryans have on the indus valley civilization

What invention ended the way of life for cowboys and plains indians?

Identify they difference in plant domestication between mesopotamia and mesoamerica during the neolithic revolution

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.