One of the central factors in the establishment of the trans-Saharan trade was "<span>b. The domestication of the camel," since only camels could survive the very long distances and extreme heat. </span>
The mountain ranges on Southeast Asia's mainland shaped the history of the region because the mountains separated the mainland from the rest of Asia and isolated early societies. The correct option among all the options given in the question is option "A".
<span>The Edict of Milan made it legal to practice Cchristianity openly in the Roman Empire. It did not make Christianity the official religion nor did it reunite the Roman Empire. Christianity would not become the official religion for the empire until the Edict of Thessalonian. It's not until the Battle of Chrysopolis that Constantine I wouldd become solle emperor of the Roman Empire. He would still need to reconquer parts to. hope this helps</span>
Answer: A
Explanation: Farming is most common in the river valleys of Uzbekistan.
