Levy war, conclude peace, contract alliances, establish commerce. Also, mandate schooling, mandate vaccinations, forbid polluting the environment, set clocks forward, and various other acts.

Governments exist so that we can coordinate doing things that individually we couldn't do or wouldn't wish to do. It's us.

The problem with the tariffs is not that they're decreed by the government that your fellow citizens elected, it's that they're counterproductive to the extent that they're causing a recession.