Here are some musings about the White Man's burden and one approach to inter-racial reconciliation.
Of course, racial determinism and colonialism are not restricted to this day and age. We can see it in the past, and look forward to it (with dread) in the future.
The Borg have become notorious in popular culture for their assimilating and colonialistic ways. Although neither Angles nor Goths, nor Franks, they merit a place on this page.