One of the benefits of globalization (and the EU) is that it's to everyone's economic advantage to not have a war between trading nations. This maintains supply

One of the benefits of globalization (and the EU) is that it's to everyone's economic advantage to not have a war between trading nations. This maintains supply, reduces costs, and crazily enough - reduces conflict. You may lose the ability to make widgets because it's easier/cheaper to buy them from another country, but in theory, you make it up by selling them sprockets, and through the overall economic gains.