How did the environment of Arabia protect most of the region?

Question

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Extreme heat and dry conditions kept invaders out
The fertile land allowed farmers to grow their own food

Answer 1

The environment of Arabia played a significant role in protecting the region primarily due to its extreme heat and dry desert conditions. These harsh environmental factors made it difficult for large invading armies to sustain themselves and navigate the terrain effectively. The vast deserts acted as natural barriers, deterring many would-be invaders who would struggle with the lack of water and extreme temperatures.

In contrast, while the presence of fertile land allowed for agriculture in certain areas, the majority of the Arabian Peninsula is dominated by arid desert. Therefore, the extreme environmental conditions were the primary protective factor for the region against invasions.