Edited sentence: After the independence of Mexico, the caste system was outlawed, and also any form of racial discrimination.However, The high degree of interracial marriages dating back to colonial times are proof to the contrary.It is perceived by some in the US, incorrectly, that the nature of slavery in Mexico and most of Central and South America was cruel and deadlier in nature than North American Slavery.While socially still exists some kind of descrimination based on skin color, this have more to do with social class, than race, and  because of this, people who show black ancestry, usually declared themselves "mestizo"  and not "black" or "African Mexican"