Had it not been for the volcanic disaster that all but wiped Saint-Pierre off the map in 1902, Fort-de-France would never have become Martinique's leading city.
Fort-de-France is the least important city in Martinique.
mnli hypothesis: Fort-de-France is the least important city in Martinique. premise: Had it not been for the volcanic disaster that all but wiped Saint-Pierre off the map in 1902, Fort-de-France would never have become Martinique's leading city.