Our classification according to race is really by continent of origin.
To show you just how artificial it is, think of this: people of European descent do not all look the same!
Blond, blue-eyed scandinavians look quite different from bronze-skinned Italians and Greeks!
How in the world can the Italians and the Greeks be part of the same race as the Scandinavians and not part of the same race as the Arabs or Iranians?
The Greeks and Italians who built European civilization look a lot more like the Arabs than the Scandinavians!
And a lot more like the Pakistanis than the French!
Just how many 'white' races are there? Surely there are two or three different 'races' in Europe!
Food for thought.
Sincerely,
David S. Annderson