The US still makes steel for example. It fell compared to the 1960s, but is still at about WW2 levels. That is true for a lot of US manufacturing. The industry is still around, but has not grown since years and automation and falling prices makes them less relevant to the overall economy.

Did Trump cut fuel taxes? or why is it only 1€/l or so.

Unfortunatly for people without the background of somebody like you, that will be loved by ICE. Saves them from a lot of paperwork, before shooting them.