Federal government was given considerable regulatory power on commerce, as well as on interstate commercial maritime routes. Chief Justice John Marshall's interpretation clarified that Congress could regulate matters internal to a state that are fundamentally intertwined with interstate commerce, like the New York monopoly.Congressional power extended to all aspects of the regulation, overriding any state laws contrary to it.
Child labor was a huge problem. With all of the new work needing to be done, they needed more workers. The solution they came up with was to recruit children, give them long hours and low pay.
I think the answer is Texas.
