France: Advertising poster for 'Chocolat Felix Potin' featuring a black man looking at himself and a bar of chocolate in a mirror. Morgue Etses, Paris, c. 1910

Racism consists of both prejudice and discrimination based in social perceptions of biological differences between peoples.

It often takes the form of social actions, practices or beliefs, or political systems that consider different races to be ranked as inherently superior or inferior to each other, based on presumed shared inheritable traits, abilities, or qualities. It may also hold that members of different races should be treated differently.

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