Trade was the motivating factor. The silk road accross Asia was besieged by bandits & required bribes to a number of nations to transport goods to & from Asia. Therefore a sea route would be a much safer & less expensive means of getting trade goods to & from Asia.
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The answer is : 1
Collective learning.
Explanation:
THE HEIGHT OF THE KONNARK TEMPLE is 200 feet.
Cuba............................
Slaves mainly but gold and salt good be included as well