The Answers is:
Probably the most important single cause of Byzantine empire collapse was its recurrent debilitating civil war. Three of the worst periods of civil war and internal infighting took place during Byzantine empire decline
According to Pope Urban II, the best way to get people to unite is to give them a common enemy.
Pope Urban II pitched the Crusades as a religious duty with a side of fighting.
The Black Death was most likely spread through Western Europe by rats and their fleas.
The Black Death was the second major epidemic of its time. The first known epidemic of of the disease that also caused "The Black Death" was The Plague of Justinian.
Both the American Revolution of 1776 and the French Revolution of 1789 were partially caused by unfair taxes. Another similarity between the two was that both had a goal of independence. Those who took part were looking for a better quality of life for themselves.
Answer:
People under the age of 18 years old
George M. Pullman pretty sure
