B. The Wright brothers . . .

Answer:
Black Sea and Mediterranean Sea
Explanation:
The Dardanelles have been of great strategic importance for a very long time, and they still continue to be. Stalin wanted to get it under his control because it was going to put the Soviet Union in an excellent situation, be it economically or military. The importance of the Dardanelles is so big because it is the place that connects the Mediterranean Sea with the Black Sea. Also, it is also the place that separates Europe and Asia, and of the most important trading routes. Despite the interest Stalin had, it never came to a situation that the Soviets attacked to capture this place.
<u>Answer</u>:
Gregory I increase the political power of the pope by (D) None of the above methods.
<u>Explanation</u>:
During this time, Gregory l increased the political power of the pope. This was achieved by contributing the church revenues for the welfare of the people. These money or the revenues were used to built roads and used for other essential requirements of the people.
Even to support financially for military and other public requirements, the church revenues were only used. This helped the poor and needy people also and saved their lives. Starting from laying roads and constructions of buildings it was only the revenue money used widely for all the developments.
Answer:
C)Early people learned to produce their own food.