People need to visit Europe to see what pure capitalism looked like. A perfect example is a tour of the Main River west of Frankfurt. The river is lined with castles. In the old days the king of each fiefdom hung a chain across the river. Ships had to pay money to each king to get through. One can imagine what a giant PITA that was and how arbitrary the decision making was. If a king had it out for you then your ship didn't get through at all.
The American colonies were like that, too. That's the reason we have the interstate commerce clause in the constitution. Its original purpose was to prevent states from blocking or unduly taxing goods that passed through it.
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