Possible Clues:

• Benin's neighbor
• African country dominated by the Sahara, until 1969 a French colony
• Nation that's mostly the Sahara
• Raising of drink: �Queen and Country�
• Reign over African river
• River in West Africa
• African river, reportedly one of the ten accounting for 90% of the plastic entering the world’s oceans
• River running through where ginseng's raised ;
• One African country or another loses excellent backing
• African country taking one area finally from another