Why are darkskin women treated so disrespectfully in our society?

Why do darkskin women get treated so disrespectfully in our society? In dating, workplace or even in general in our society more than every other woman of another race or even more than black men? Why that?
Why are darkskin women treated so disrespectfully in our society?
Why are darkskin women treated so disrespectfully in our society?
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