According to the power-hungry federal government. It gave the feds the power to regulate, in order to ensure that we essentially have a free trade zone between the states, so that states could not become protectionist (but they do of course, and that's upheld for some reason).
The Commerce Clause has been stretched so thin that it really has no original meaning anymore. It's just a catch-all to allow the feds to pretend that the individual states don't exist.
Yes, that's how the Commerce Clause was initially used. Are you saying that the Commerce Clause was limited to ensuring a free trade zone between the states?
If so, then please back that up with something ... anything.