Aren't We All Equal?

There's ethnic or so called racial discrimination. And then there's religious discrimination too, right? Yes. One big example of this would be world war two era japan's nationalistic superiority complex over china and a the puppet state of banchuria that they on thy did unspeakable things. They did it because they thought the other people weren't really human. That's a common theme. Ys gong to say it's a lot of that has to do with cultural differences and clashing with whichever power is seen as the norm in an area.