Others, such as traders and moneylenders often referred to as Vaishyas were placed after them. Then came peasants, and artisans such as weavers and potters referred to as Shudras.
one of the reason's why the colonist fought the British is because the colonists weren't being represented in the British parliament (government) and the king was imposing taxes and levies on the colonists. Have you ever heard the phase Taxation without Representation? I believe that was the major reason why they fought the British.
Hopefully this helps.
Difference between unitary and federal systems? A unitary system is different from a federal system in that a unitary system is composed of one central government that holds all the power, while a federal system divides power between national and local forms of government.