Answer: Sudan and South Sudan to the north and east, the Democratic Republic of the Congo (Kinshasa) and the Republic of the Congo (Brazzaville) to the south, and Cameroon to the west.
Explanation:
Answer: I know this is late but others might need it so the answers are
The valley was good for farming.
The surrounding mountains provided pastures for herds.
The region contained rivers for fresh water.
Five Pillars of Islam
1. The Shahadah (Declaration of Faith)
2. Prayer (Salah)
3. Fasting during the month of Ramadan (Sawm)
4. Charity or alms-giving (Zakat)
5. A pilgrimage to Mecca (Hajj)
The timeline is showed in the attachment below. I wrote more 10 since there was more than ten events that occured during that period. :P hope this helps.