What were the innovations that aided the progress of railroads in early american history, and what advantages did railroads have over other forms of transportation?

Which of the following is a claim about ancient rome that a historian could build san argument around

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.

Which describes what happened when anne hutchinson questioned the teachings of puritan leaders?