Question: which countries did the french colonize?
Answer: Ivory Coast (1843–1960)
Dahomey or French Dahomey (now Benin) (1883–1960) ... 
French Sudan (now Mali) (1883–1960) ... 
Guinea or French Guinea (1891–1958)
Mauritania (1902–1960) ... 
Niger (1890–1960) ... 
Senegal (1677–1960)
French Upper Volta (now Burkina Faso) (1896–1960)