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.
In the U.S., There are some powers delegated to the government only, and others that are reserved to the states. However, there are powers that both the government and the states have and can exercise simultaneously within the U.S. territory, these are called concurrent powers. The areas in which the federal govenrment and the states have concurrent power include in the power to tax, make roads, protect the environment, establish bankruptcy laws, create lower courts and regulate elections, among others.
World peace should be met by others giving in responsibilities of their own. this is all ill give you its called u have to do your own work.
