He just mentioned those under NATO military command.
The tanks down the rhine after WWII were there four years before NATO existed, and they were US, French and British. Ninfan needs to more clearly explain what he’s talking about.
Anyhow, as others have said, there has been peace in Europe during the EU years and as nations join the peaceful area expands. The lack of trade wars is major factor in peace, or looking at another way trade tensions have previously contributed to friction and war.
Britain’s politicians have spent the last 18 months declaring a trade war on the EU witl clearly stated plans to tip the playing field in the UK’s favour by making labour and taxes cheaper and dismantling legislation thats “hampers” industry through better, healthier and safer working condtions. And the safety of food, drugs… .