Because they were tolerant of different beliefs and encouraged trade between different cultures along the Silk Road, ensuring the safety of traders traveling along the trade routes.
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ANSWER = I & III
<em>Why would an author write to create long, hard-to-read passages for students ???? They have more personal purposes, personal ideas they want to share before being sure to be studied in class..........</em>
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Answer:
was the founder and first Great Khan of the Mongol Empire, which became the largest contiguous empire in history after his death.
Explanation: