premise: Jean-Jacques Dessalines was partially in charge of the Haitian Revolution.
hypothesis: Jean-Jacques Dessalines ( [ ʒɑ̃ ʒak dɛs.salin ] ; 20 September 1758 -- 17 October 1806 ) was a leader of the Haitian Revolution and the first ruler of an independent Haiti under the 1805 constitution . Later he rose to become a commander in the revolt against France . After the betrayal and capture of Toussaint Louverture in 1802 , Dessalines became the leader of the revolution .