C. Iranian Hostage Crisis
Explanation:
During that time, the Mongol system was to place Vassal princes who were expected to pay tribute to the Mongols for the privilege of holding their own kingdom (Roy 8). The result was harsh rule that turned most Russians into serfs and destroyed the Russian economy, most importantly in regard to trade (Hopkik 12).
Answer:
Oil
Explanation:
Ever since oil was discovered and used in the world most of it came from the Middle East. Many wars were fought over who controls that area of the world and are still being fought today. The economy of countries in the Middle East rests on oil for the most part and during World War 1 control over the Balkans meant that there was a direct land connection between the Central Powers and the Middle East.
The answer is new york city