Who established the elaborate bookkeeping system that allowed big businesses to keep track of every aspect of business operations?

J Edgar Thomson is the correct answer.

louverture's prominent role in the haitian success over colonialism and slavery had earned him the admiration of friends and detractors alike.

explanation:

toussaint louverture began his military career as a leader of the 1791 slave rebellion in saint-domingue; he was by then a free man and a jacobin.

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.