Final answer:
The Plaine du Cul-de-sac is located in Haiti, which was known as Saint-Domingue during the French colonial period. Haiti gained independence through a revolution led predominantly by Africans, making it a unique case compared to other revolutions of the period.
Step-by-step explanation:
The Plaine du Cul-de-sac is a geographical depression located in the French-speaking Caribbean island country of Haiti. Haiti's history is remarkable as it was the former French colony of Saint-Domingue which witnessed the unique Haitian Revolution led by Toussaint Louverture and Jean-Jacques Dessalines.
Unlike other revolutions of the period which were predominantly led by white colonists, Haiti's struggle for independence was led by enslaved and freed Africans. This revolution led to the founding of the free republic of Haiti in 1804, making it the first country in Latin America and the Caribbean to abolish slavery and declare freedom from colonial rule.