How did Latin American revolutions in the 19th century influence social systems in the region? A. Peninsulares granted most castes social equality but continued to oppress the Creoles. B. Creoles replaced peninsulares as the dominant class, but the caste system remained intact. C. Indios became the least powerful social class, but the caste system was soon eliminated. D. Mestizos were no longer recognized as their own caste and were instead considered indios.