Does it matter? The borders have changed little. Two have subdivided I think that’s it. So what?
The continent of Africa is a majority of Christianity – the idiots embraced the fantasy. Ditto the America’s. So what! The America’s were made to convert.
Arab nationalism doesn’t create Sunni/Shia issues. Idiot! Arab nationalism puts Arabs before religion. Duh! Most of the issues are because Europeans drew the borders. Duh! And the issue today is interfering Americans! They were also dumb enough to give land away to foreigners, not even their land!