There was literally centuries of European history where every European government had massive tariffs on the others. https://en.m.wikipedia.org/wiki/Mercantili

There was literally centuries of European history where every European government had massive tariffs on the others. https://en.m.wikipedia.org/wiki/Mercantilism https://en.m.wikipedia.org/wiki/Mercantilism This era also featured lots of wars between European nations and spurred foreign conquests/colonialism.