Istanbul: a. lies on the Dardanelles, the key water route between the Red Sea and the Mediterranean b. has been overtaken by Ankara as the leading city of Turkey c. anticipates building its first Metro line within the next ten years d. was converted from a Christian city to a Muslim city under the Ottomans

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.