What advantages did the haitian slaves have over the french soldiers?

The correct answer is, the advantages the Haitian slaves had over the Franch soldiers were that the slaves really knew his land and they had a great leader in the person of Toussaint L’Ouverture.

Toussaint L’Ouverture (1743-1803) was the leader of the Independence movent in Haiti. He was so Smart and united the Haitian slaves and confronted the French in Haiti. At that time the place was known as Spaniola St. Domingue. The French allowed the Haitians to govern for a certain period of time. That is when Toussaint L’Ouverture introduced the constitution of equal rights.  

i would think it's industries and hydroelectric power

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.