The yellow shaded regions on this map represent the ottoman empire in 1683 which historical question does the map answer

Hello!

The historical question the map helps answer is C because the map only shows the territory owned by the Ottoman Empire and if you look at the answer choices, C is the only answer that would make sense. 
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A- This doesn't make sense because the map does not show how many years the Ottoman empire existed.

B- This doesn't make sense the map doesn't show empires that were more powerful than the Roman Empire

D- The map doesn't show if the leaders of the Ottoman Empire cruel toward the people they had conquered. 

Thus, the answer would be C.