Constitutionalism is best defined as "<span>A. a doctrine that the state is founded on rules established by citizens and rulers to which all are bound", since a Constitution sets the "ground rules" for a nation.</span>
Answer:
Climate Change or Global Warming
Explanation:
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 />