Americans have the right and advantage of being armed - unlike the citizens of other countries whose governments are afraid to trust the people with … - James Madison

If Congress can do whatever in their discretion can be done by money, and will promote the general welfare, the Government is no longer a limited one possessing enumerated powers, but an indefinite one subject to particular exceptions. It is to be remarked that the phrase out of which this doctrine is elaborated, is copied from the old articles of Confederation, where it was always understood as nothing more than a general caption to the specified powers, and it is a fact that it was preferred in the new instrument for that very reason as less liable than any other to misconstruction.

History records that the money changers have used every form of abuse, intrigue, deceit, and violent means possible to maintain their control over governments by controlling money and it's issuance.

To have submitted it to the legislative discretion of the States, would have been improper for the same reason; and for the additional reason that it would have rendered too dependent on the State governments that branch of the federal government which ought to be dependent on the people alone.