Why did Napoleon view Toussaint as an obstacle to returning Saint Domingue to French control?

The French emperor ordered an invasion in January 1802, and his troops defeated Toussaint's forces. A major obstacle to French colonial ambitions in the Westerm Hemisphere; the Haitians however, stubborn resistance, and a peace treaty was drawn, Toussaint himself was treacherously seized and sent to France.

es recordado por haber sentado las bases para la erradicación definitiva de la esclavitud en el continente americano, y a consecuencia de ello, en el mundo entero