The specific power granted by the section is the "<em>power of the purse</em>"
The section of the United States' Constitution gives the Congress a great authority over executive branch and the executive branch must appeal to the Congress for all of its funding.
Some power granted to the Congress by the Constitution are:
Power on how to collect Taxes, Duties, Imposts and Excises
The power on how to borrow and pay Debt.
Power for the regulation Commerce with foreign Nations etc.
In conclusion, the section was to ensure separation of powers and the provide necessary check on the executive branch.
They thought it was <em>"The Better Choice" </em>because of its opposition to a central Federal System, which had lacked some respect for the Indian nations. 6 Tribes thought different from this reason.