@GongR1ght The reason why no black people in Argentina is because Slavery was abolished in early 1800 just when the country was born. All the rest of the countries you think are non racist, have been practicing slavery much longer, and that why they have black population among whities.
The Stages of Learning
Unconscious Incompetence: You don't know what you don't know.
Conscious Incompetence: You know that you don't know.
Conscious Competence: You know it, but it still takes effort and focus.
Unconscious Competence: You know it so well it's become instinct.