I believe the answer is: Raise revenue
All of this requirement is made according to the Revenue clause in the article I of the united states constitution..
If the bills that made couldn't be approved by senates, the only thing that they could do is to propose or concur the bill with amendments.
c, created a central government with limited powers and no president
They both used Decentralized government
They both distribute their governmental power into several locations, to make sure that they reach each corner of the countries while still maintaining control from the central government
These smaller Authorities can enforce their own decision making, but they still have to follow the guidelines from the central government