Why did france want to import people from africa for enslaved labor

Though the Portuguese and British dominated the transatlantic slave trade, the French were the third largest slave traders, elevated to that rank by the staggering numbers of Africans delivered to Saint-Domingue (Haiti) in the late eighteenth century. Of the 1,381,000 Africans loaded onto French ships during the course of the transatlantic trade, 1,165,000 survived the Middle Passage to encounter harsh conditions mostly in French Caribbean colonies.

a. favoring native born americans over immigrants.