Why trade with enemy at all? Why do money transfers? Mutual investments? Why let enemy people live in your country? Every step you do to isolate yourself from

Why trade with enemy at all? Why do money transfers? Mutual investments? Why let enemy people live in your country? Every step you do to isolate yourself from your enemy makes them even more your enemy. At the end of this process is war. Completely unsurprising. Pretty much inevitable. Alternatively you could accept that you are loosing competition in some fields without turning it into mortal conflict.