What was one of Toussaint Louverture's most important contributions to the Haitian Revolution?
A. He ensured that the Haitian economy continued to function throughout the revolution.
B. He ended the mass execution of white Haitians by former slaves and affranchis.
C. He negotiated an alliance with Spain to force French forces to abandon Saint-Domingue.
D. He organized and led the rebel groups that secured Haiti's independence from France.​