Feudalism helped protect communities from the violence and warfare that broke out after the fall of Rome and the collapse of strong central government in Western Europe. Feudalism secured Western Europe's society and kept out powerful invaders. Feudalism helped restore trade. Lords repaired bridges and roads.
In general when they need to get done with their basic requirements or their needs they fight for that if the authority didn't respond proply..
sequence like salary incresment.
then the Labour union strikes to win their requirement.
The supremacy law that establishes the federal government establishes that the state governments must be subordinate to the federal authority. In line with this law, whenever the interests of the federal government collide with those of state governments, the interest of federal government shall always supersede.
<span />