Hence, the initial prejudices and biases against the Africans, which eventually crystallized into slavery had their origins in the natural human tendency to doubt and undermine anything that is different. Going by these early misgivings against the Blacks, the eventual formalization of racism became relatively easier.
Slave trading was a commerce that was carried out in a ruthless and inhuman way. Therefore, it was imperative for the slave dealers to dehumanize the slaves to counter any possible legal or intellectual objections and opposition to their trade. Hence, in a very systematic and concerted way, the concept of racism was stoked and bolstered over the years to institutionalize and validate slave trading.
A 2: In a way, Revolution happened to be a direct outcome of the Enlightenment and Great Awakening.