The US Constitution divided power in three independent branches: the Legislative Branch, the Executive Branch, and the Judicial Branch. This separation applies to the federal government and also to the government of each of the States.
The main aim was to keep power balanced. The Constitution also established the 'Checks and Balances' system, through which each of the powers can check on the others and prevent that they exceed their functions. None of the three powers could gather such a large amount of power to rule over the others, without being punished.
<span>Fighting that involves opposing groups of citizens from the same country is called a Civil War</span>
Answer:
One thing that happened between 1025 and 1076 was the schism between the Byzantine Orthodox Church and the Latin Church of Rome. This occurred in 1054. It was partly theological over the Filioque clause which was inserted by the Latin Church into the Nicene creed which was considered unauthorised by the Byzantines.