Here’s your free market:
https://en.wikipedia.org/wiki/Tariffs_in_United_States_history
[Tariffs were the largest (approaching 95% at times) source of federal revenue until the Federal income tax began after 1913]
Confusing
1) tariffs used for government revenue (a valid and preferred way to tax rather than the noxious income tax), and
2) tariffs used to interfere with business practice and the market economy (an exercise in futility like shooting yourself in the foot).
Two entirely different animals.