How did the early state constitutions create equality among the three branches of government

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.

What is political gerrymandering, what does is accomplish, and why might legislators use this tactic in redistricting

Which historical interpretation is supported by this source?