Free trade goes both ways. European companies make a fortune selling to Americans, so if EU blocks American companies from operating there retaliation will foll

Free trade goes both ways. European companies make a fortune selling to Americans, so if EU blocks American companies from operating there retaliation will follow. It would be a lose lose for everyone because free trade is a non zero sum net positive activity, and throwing it out of the window for nationalistic reasons can only be harmful to all parties involved.