What social class controlled most of the political economic and social power in colonial Latin America?

In colonial Latin America, the social classes were organized in a Caste System. The highest class was the Peninsulares who were considered of pure blood and the only ones who could hold positions of power. The second class was the Creoles who were born in the Americas and could own land. The third class was the Mestizos. They were Spanish and Native American people who married and had children. The fourth and fifth classes were Mulattoes who were of Spanish and African heritage and Zamboes who were of Native American and African heritage.