What is racism and where did it come from?

Question

I am looking for educated responses only. Racist, and insensitive comments will be reported.

Answer 1

Comes from the mind of ignorant bigots and hypocrites!

Answer 2

as long as there are different races there will be elements that want to exploit the weaker one,and subsequently there will be elements on both sides that will hate the other for reasons of fear or superiority.
that is the way humanity is .
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on top of that there are power full controlling elements of humanity that profit by having people divided and at each others throat,

these power structures have exploited the concept of rascism to split people up for control ,and to proffit by the resulting conflicts.this is called divide and rule ,

Answer 3

It started when people were divided into different categories based on superficial things such as skin color. Then people became intolerant of differences in other groups and created stereotypes against them. People created racism, my definition is when a person is limited in their abilities to express themselves in any way based on their skin color.