>>16949536American colonists actually originally tried to enslave the natives, but they were weak and expired quickly from any real labour.
The nigger on the other hand, with the correct guidance and discipline, was essentially the human equivalent of one of those English work horses. They could work and work and work on very little, and all for the small small price of a white man with a gun and whip ensuring the worst excesses of nigger behaviour were kept in check.
So in this one instance the nigger is hands down the superior race.