Answer:
1. The savanna’s rainy season allowed people to grow crops there.
2. Because the Sahel is the driest area of West Africa, nobody settled there.
5.The easy access to water led many people to settle on the Sahara.
3.The need for items grown in different climates prompted the establishments for trade.
4. People used the Niger River as a means of transportation.
Step-by-step explanation:
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