You act as if it's the countries that are doing the trading; it's not. It is the businesses and other entities within the countries that are doing it. They are doing it because it benefits them. If a company is doing overseas manufacturing it is because they benefit and it isn't the United States that made that decision.
Merriam-Webster: "The meaning of TARIFF is a schedule of duties imposed by a government on imported or in some countries exported goods."
Apparently the dictionary is "woke."
Wikipedia: "A tariff, or import tax, is a duty imposed by a national government, customs territory, or supranational union on imports of goods and is paid by the importer."
Oxford Economics: "Tariffs are taxes imposed by a government on goods and services imported from other countries."
Oh my god, Salt Lake City! I never see anything here, and the first thing I click on today no less... unfortunately I'm not a Ruby programmer but I'm happy to see that some stuff is happening here.
Ruby Central hosts the RubyGems service, not the RubyGems repository. Ruby Central employs some RubyGems maintainers but does not own the repository. Ruby Central decided to make their employees who are maintainers take over the repository against the wishes of the other maintainers so they could remove some of the maintainers from the project.