Who did Bartolommeo de las caseas want to use labor in the Spanish colonies

Bartolome de Las Casas was a famous Spanish writer and Philosopher who fought against the slavery of the indigenous Native Americans from the Spanish Colonisation.

Spaniards colonised America by stealing the gold and appeased Americans by giving them valuable gifts and gold and Human sacrifices were also carried on by Spaniards to establish their supremacy.

He fought against the slavery of the Americans by the Spanish people and hence popularly known as the 'Defender of Native Americans'.