During the centuries which had elapsed since the entry of the Spaniards and Portuguese into these regions an extraordinary fusion of races had taken place. White, red, and black had mingled to such an extent that the bulk of the settled population became half-caste. Only in the more temperate regions of the far north and south, where the aborigines were comparatively few or had disappeared altogether, did the whites remain racially distinct. Socially the Indian and the negro counted for little. They constituted the laboring class on whom all the burdens fell and for whom advantages in the body politic were scant. Legally the Indian.