Explain what role the Mongols played during the period of 600 CE to 1450 CE in terms of building a vast land empire, and discuss the most significant features of this empire referencing evidence.

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.