In the usual course of things, punitive tariffs are one side of the equation.

The other side sees the tariffing government making capital available along with other assistance in order to grow the local industry of the thing being tariffed.

What you have done is engaged in a trade war for no readily apparent reason other than the fact that the shit businessman in the White House doesn't understand that a deal doesn't have to have winners and losers in order for it to be a good deal.