<span>The double court framework steady with standards of federalism is the point at which their forces spill out of state constitutions and state laws close by each state's court framework there is a national court system. I hope this answer will help you.</span>
I think it is called <span>ethnocentrism. Hope it helps!</span>
Civil Wars will be your answer
At the end of its empires, Rome had a succession of civil wars that tore the empire apart
hope this helps