We did. Until the 1950s. We gave the states so much power under a confederacy the government didn't work and we had to go back to the drawing board to make a new constitution.

Things weren't regulated for a long time, and that's why there were literal snake-oil salesmen blowing literal smoke up your ass while their 10 year old kids worked 7 days a week. It was only around the 1900s that we really started regulating things -- and for good reason.