"In spite of such preconceptions about blackness, in spite of special subordination of blacks in the Americas in the seventeenth century, there is evidence that where whites and blacks found themselves with common problems, common work, common enemy in their master, they behaved toward one another as equals. As one scholar of slavery, Kenneth Stampp, has put it, Negro and white servants of the seventeenth century were "remarkably unconcerned about the visible physical differences."