Then you don’t know much about history from a Marxist context because none of those conflicts had any real negative impact on the American empire, they only expanded the American economy by pumping money into MIC and expanding the security state. Ukraine on the other hand in just two years has de armed nato to an astonishingly high degree, allowed Americas enemies to stand up and fight, led to the largest military raid on Israeli soil in generations, pushed nato troops out of Africa, bolstered an entire economic block of emerging powers, and has given incentive for those powers to break off from the USD which is the lifeblood of modern capitalism and imperialism. There’s a mega on the front page that’s been going on for years now talking about it I would really recommend you read it some time.