Roman Empire
The Fall of the Western Roman Empire (also called Fall of the Roman Empire or Fall of Rome) was the process of decline in the Western Roman Empire in which the Empire failed to enforce its rule, and its vast territory was divided into several successor polities.
Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
The leaders who spread Islam after Muhammad's death were Abu Bakr, Umar, Uthman, and Ali. If you want the answer from a website, I suggest going here
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Explanation:
For millennia, ethnic and religious hatred drove refugee migrations. The Korean War (1950–53), the Hungarian Revolutionary (1956), the Cuban Revolutionary (1959), and the Chinese conquest of Tibet (1959) all led in the departure of over a million refugees throughout the 1950s.
Answer:
Many of the sacred stories in local religions explain the creation people, animals, and plant life. Why would religions feature such stories? They feature stories like that because to them that is how they started. They believe the Great Spirit created all things.