This option to “pass,” however, was not available to most Mexicans who were predominantly of Indigenous and African ancestry. “Court and legislative records from 1848 to 1947 reveal that the skin color of Mexican-origin people strongly influenced whether they were treated by the legal system as white or as non-white,” however, local governments found ways to segregate and otherwise discriminate against white Mexicans based on their Spanish-language backgrounds and other racialized markers of identity.51
Segregation and racism began and continued due to the color of skin, because of a legal system determining if their skin was non-white. But why did it matter so much?