Warmongering I'll agree with. Powerful interests have made a lot of bad things happen. We can't change the past but we can and should work to change the future.
However, I'm quite pleased we defeated Nazi Germany and hastened the downfall of the Soviet Union. The rest of the world should be as well.
Racist! Nope. There are racist people here. The country as a whole and an institution is not racist at this point and that very simply an untrue (if popular at the moment) claim.
Indoctrination. Ya, like that from the public school system and Reddit being displayed in this thread?
Here's the bottom line for Americans. You live here. There are lots of good things about the essential set up and circumstances of this country. You presumably have to live here. What you have from the past is what you have. So stop your juvenile whining and destructive misplaced hatred and start doing something positive and make the place you live a place you want to be.