Your answer is (4) influence the price of oil and set production levels
The third estate should have more political influence.
The Bosphorus connects the Black Sea from the Sea of Marmara. Istanbul (Constantinople) is located on the Bosphorus. The cities location and control has led to its rise in riches and importance. The Dardanelles connects the Sea of Marmara to the Aegean and Mediterranean. The ancient city of Troy was located near this. Control of the strait had led to the city becoming extremely wealthy. This, in turn, led to its destruction by the Mycenaeans. <span />
That is would allow american industries to grow