They wanted to control all of the silver from the Americas, and that was the only way Europe was able to trade with China, which didn’t need any other goods from Europe
Taxation without representation. It is mostly commonly shown as the Boston Tea Party, where they were complaining about the tea tax.
Tariffs hurt the south because they ended up paying more money, as they bought many goods from the North. The south hated tariffs and thought they were unconstitutional