I believe the answer is England? because that was the year the Norman Conquest was led by William the Conqueror.
Answer:
Corruption; as people governing were benefiting but not giving people the protection, public services and justice in return.
loss of trust to State authority, is the main reason.
The others are military and politic struggles. Inside the Empire and outside. People were trying to gain power, and following personal interests and this caused in long term disconnections between the top it self and towards the population.
At the end only value that kept them together was religion, and even that was shredded into pieces. Catholics, orthodox and Protestants were not getting on well.
They were located near water they hunted for food and made everything out of natural environment
Different location , rituals, and hunting ways or animals
The answer is a the bill of rights i hope i helped
Because the US was the first to successfully develop an atomic bomb