>Of course. The British led the world and did not offer (at the time) anyone the chance to be British either. In fact, they actively discouraged interbreeding. It is a dogma of the modern Occident that it is stronger to be multi-ethnic, and that national identity should be open to anyone. History shows us, however, that that is hardly a necessity for world empire.

True. And it wasn't ever better for the US. They had segregated schools, hotels and even buses as late as the sixties, and segregation for latinos, blacks etc, today under the pretext of income is stronger that ever:

http://en.wikipedia.org/wiki/Racial_segregation_in_the_Unite...