Then very, VERY quickly, Americans would start paying out the wazoo for the stuff they used to get for cheap - because Mexico and China sure as hell ain't footing the bill, something Trump very conveniently forgets to mention.
And then guess who'll they'll blame? The orange utan in the White House who promised to make them richer but instantly made them poorer instead.
Americans punished the democrats for economic issues that were largely out of their control, and they'll just as quickly turn against Trump if he makes their situation even worse. In fact, they'll turn against him even harder because he promised to fix the economy.
Dude... If we've learned anything lately, it's that the people who voted for him will perform mental gymnastics that would earn a 10 from the Russian judge in order to avoid admitting they were wrong about anything