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@Greyparrot
Again, these measures harm both economies: the idea that the EU members somehow take the upper hand in dealings with the US is uneconomical. The US retaliating against European countries employing protectionist policies with its own protectionist policies is like a husband whose wife never takes trash out deciding to never take trash out either to have revenge on her - and now they are both stuck in a terribly smelling house.
When it comes to the US government plain investing into the European continent with military aid, loans that are unlikely to be paid back, infrastructure investments, etc. - I will be the first one to say that this should be stopped: taking money away from the US taxpayers and funneling it to another continent is a separate issue. This is not about John from Ohio wanting to trade with Ming from Guangzhou and both the Chinese and the US government standing in the middle and telling them, "Pay a toll for the divine privilege to do business!" - this is about one of said governments taking away from John and giving to Ming. Tariffs do not address the latter situation in any way, but they do exacerbate the former.