Which of the following contributed to revolution

Once the plague became airborne, how could it then be spread?

Could anything have been done through compromise to stop it, or did it have to happen?

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.