US size in international trade does not match the size of its consumer economy. When the US cuts it's own dick off, trade between everyone else compensates.

The EU is the top trading partner for 80 countries. By comparison, the US is the top trading partner for a little over 20 countries. The EU is the world’s largest trader of manufactured goods and services.

You’re comparing 27 countries with 27 governments and a combined population of 450m with 1 country, population 340m.