Answer:
b. The death of Genghis Khan.
Explanation:
The great Mongol conqueror Genghis Khan died on August 18, 1227 AD. He had built an empire that extended from the Sea of Japan to the Caspian Sea. He conquered more land than any other previous great conqueror in history. His hordes invaded Russia in 1223 AD and were preparing for an all-out assault on Europe, but the Mongol invasion of European lands in the early 13th century was temporarily halted by his death. His heirs and the top commanders of his armies had to go back to the Mongolia for the election of the new great khan. However, Mongol hordes invaded Europe again in the following decade.
c. to escape poor economic conditions in England and avoid persecution
Puritans were looking to establish a place they could practice religion without persecution from the English government.
As England converted to a Protestant nation, those not agreeing with the Church of England were targeted. Puritans believed the church needed to be purified. In creating a colony the group was allowed to create a society more suitable to their beliefs.
By it controlling so many people
The loose organization of people dedicated to helping escaped slaves get to free territory was given the name “The Underground Railroad”. The organization had no official membership, and even though the networks existed and there have been documents about it, the term is generally used to relate anyone who help escaped slaves.
