He was military and politics man, who was the most important man in the Revolution of Haiti. He was the governor of Saint Domingue, that name was given by the french.
Also, you can get the answer easily, because other options are from another region, and P.J. Laborie was known by writing some farming textbooks about cocoa.
Mercantilism was the economic philosophy that a nation's welath was finitely based on silver and gold and a nation could only increase their wealth by selling exports