Pulling some of this recent sales tax/tariff chat together, the way I would summarise it:
The EU levies VAT on a wide range of goods and services, both domestic and imports;
The US doesn't have VAT but has a lower rate sales tax;
A tariff is a targeted sales tax applying only to imports, paid by US consumers where the US levies additional tariffs. It is actually another means of revenue raising by the US government.
When something is taxed it makes it less attractive and cuts consumption. Eg cigarettes (tobacco duty), imports (tariffs), jobs (employers NI).
We may not agree, but I think there is a decent argument for taxing imports in preference to local jobs? Particularly if you are running a massive trade deficit with the rest of the world, which the US is.