Please restate the question, I don't understand what you are asking.
1) US tariffs invite retaliation.
2) If not the WTO, some organization would need to be created to negotiate lowered tariffs. .
3) Tariffs are obstacles to commerce. (like any other tax) .
"Please restate the question, I don't understand what you are asking. "
How did the North prosper despite ultra cheap labor in the south? You say that creep labor in Asia will destroy us, but historically, were able to thrive despite it.