Which of the following is NOT a correct explanation of why the Haitian revolution succeeded?
a. The large maroon population supported the revolution
b. Toussaint Louverture was an effective strategist
c. The revolutionaries had the support of British and Spanish forces
d. The French army was struck down with yellow fever
That "c. The revolutionaries had the support of British and Spanish forces" is not a correct explanation of why the Haitian revolution succeeded, since in fact the British and Spanish were highly unnerved by the revolution.