The fertile soil allowed civilizations to plant crops
Answer:
Constantine
He became the Western emperor in 312 and the sole Roman emperor in 324. Constantine was also the first emperor to adhere to Christianity. He issued an edict that protected Christians in the empire and converted to Christianity on his deathbed in 337.
Explanation:
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-Great Britain and France lost the power the had
- The US and the Soviet Union because very powerful and influential
-Global power calculus changed causing an intense affect on the Arab and Muslim world
It includes so many rivers seen below on your picture