What was the impact of the racial structure of the spanish colonial period on post- colonial mexico?

Before Spanish colonization, Mexico has established its own class structure among the population. However, after colonization, the class structure changed drastically. The Spanish elites imposed a caste system with different levels of biological mixtures between different ethnic groups living in Mexico which decided one's status in society. Those who were biologically more Spanish enjoy a better standard of life than those from Indigenous or African lineage. The strict hierarchy caused discontent among the people which led to civil unrest and an inevitable revolution.

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12