You did. Right here: "e.g. ethnicity". That's a quote from you. I mentioned in-group, you added ethnicity.
> There you go. And yet history proves you wrong, starting with the roman empire and the middle ages.
At this point I wonder if you are trolling. The roman empire waged war on pretty much every single other ethnic group around them and enslaved them. Which the other ethnic groups around them were also trying to do at the time. Then we have the middle ages with the crusades and such... etc etc etc
You did. Right here: "e.g. ethnicity". That's a quote from you. I mentioned in-group, you added ethnicity.
> There you go. And yet history proves you wrong, starting with the roman empire and the middle ages.
At this point I wonder if you are trolling. The roman empire waged war on pretty much every single other ethnic group around them and enslaved them. Which the other ethnic groups around them were also trying to do at the time. Then we have the middle ages with the crusades and such... etc etc etc