Religion and the yellow fever contributed to the Haitian Revolution's success. Along with the slaves militaristic attitude and belief in voodoo made them a formidable force. Their belief I voodoo aided with the mental concept to rebel. It is almost as if it is a double-edged sword. Voodoo acted as a positive tool for the slaves, however, the white colonist feared it. White colonist often believed that slaves would use voodoo to practice harmful acts on them. According to historians there were 480,00 slaves, 40,000 white colonist, and 28,000 Mulattoes in Saint Domingue. Which draws to a conclusion that Toussaint was granted easier access to an army unlike the forces of the French, British, and Spanish. As the war progressed yellow fever progressed