Your answer is the first one. Domestic Servant, Skilled Trades, and field workers.
By fighting and winning the American Revolutionary War.
Technically this is true in the United States, since before westward expansion there were land restrictions on which white men could vote--but since practically all white men in the west owned land this was not the case.
Ghana used its large army for gaining the obedience of Ghana's neighbors
The alleged duty of the white peoples to bring their civilization to other peoples regarded as backward. (Hope this is right)