What did the Haitian revolution involve?
What was thriving in the French colony of Saint Domingue by the 1700s?

Slaves and Haiti as a Colony.

Now by 'thriving' im going to assume you mean in trade. Post 7-Years War Sugar(Both raw and refined), Indigo and Cotton. Prior to the 7-Years war, Sugar and Coffee.

Explanation:

The Haitian Revolution of 1791 was a one of the most successful slave revolts in history. Haiti at the time was a French Colony and after the Revolution.By the lead of Toussaint L’Ouverture, The Haitian slaves had completely over-ran the French, to the point they pushed them out fully.

In Saint Domingue (Modern day Haiti), Two Times of thriving trade happened. Post and Prior 7-years war Trade. The Colonies main export was Sugar in both times. With Coffee, Indigo and Cotton also being main exports of Haiti.

the population grew a lot and was making more money

the heightened emotion and nature images.