What do you think when black and white people say they are native of this continent?

Neither are "native" to North America; however, most African-Americans have ancestry in the US for at least 200 years, since the importation of slaves was outlawed (domestic, obviously, not outlawed until the civil war), many if not a majority white people do not, because significant numbers came from Europe as immigrants from around 1830 to 1930.

If they were born there they tech. Are the former (though people use terms interchangeably) but a lot claim the latter because if they are of European or African descent they feel it will spice things up. Or they're just hipsters.

When we make contact with a civilization from another planet many prejudices will shift to people from this planet and theirs.

If they were born here, guess what: They are.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.