Question

Describe the two great contributions of the Persians in the history of civilization.​

Answer 1

Answer:

The Persians were the first people to establish regular routes of communication between three continents—Africa, Asia and Europe. They built many new roads and developed the world's first postal service.

Explanation:

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Answer 2

Explanation:

The Persians were the first people to establish or to develop regular routes of communication between three continents – Africa, Asia and Europe . They built many new roads and developed the world's first postal service.