actually it is D. some people to work for economic and social reform.
Answer:
Option: The destruction of trading routes in Eurasia.
Explanation:
Mongol's military conquest led the empire to widespread. They are known as Nomadic horse people from the eastern steppe lands of Asia. The Mongols briefly ruled most of Eastern Europe, Asia and the Middle East. The Mongol conquest in Eurasia led to the decline of established empires along with killing people. Even though the Mongol tried to assimilate the Persian culture but could not survive as the Mongol regime in Persia declined in the 1330s. Trade disrupt in the East led to the Europeans to take the sea route to reach Asia for trade.
General election is a kind of election which is held after certain period of time (5 years in India) for all constituencies at the same day or within few days
Mid term election is held when a lot sabha or a state assembly dissolve as a whole before the expiring period. It is held to form the new house.