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In page White supremacy:

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White supremacy has ideological foundations that date back to 17th-century scientific racism, the predominant paradigm of human variation that helped shape international relations and racial policy from the latter part of the Age of Enlightenment until the late 20th century (marked by decolonization and the abolition of apartheid in South Africa in 1991, followed by that country's first multiracial elections in 1994).[citation needed]