Question

What are the role of middle classes in ending the privileges?

Answer 1

The middle class during the eighteenth century emerged as a well educated and influential group. The system of privileges promoted by the feudal society was against their interests. 
This clan had access to various books and other ideas of equality proposed by the French and English. The ideas gradually became prevalent in the society and the feudal class had to end the system of privileges.

Answer 2

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"What are the role of middle classes in ending the privileges?"