The government paid tribes for access to the passgeway
Answer : Persia's most valuable asset was its oil supply.
Explanation : The Persian Gulf and its coastal areas are the world's largest single source of crude oil, and related industries dominate the region. Safaniya Oil Field, the world's largest offshore oilfield, is located in the Persian Gulf. But now the things are different very less amount of oil is left in the oilfields.
Answer:
organ cloning for use in transplants.
Explanation: