The answer is:
They abolished slavery in all of the French colonies
The economy of Saint-Domingue was fixed on slave based farming
plantations. Due to this Saint-Domingue's black populace rapidly increased. Saint-Domingue
rapidly came to surpass the earlier colonies in both capital and population. However
in the wake of 1791, revolution against the slave system was established on the
island. And by 1793, slavery was totally abolished.
