Answer:
It revived the civil service examination system of the Han.
The British labor Unions succeeded to create labor reforms by striking and protesting even when such actions violated the law.
<h3>What is a labor Union?</h3>
This can be defined as the body that helps to ensure that the affairs of workers in a country are well taken care of by their employers.
The Unions used strike actions as a way of getting their employers to meet with their demands.
Read more on labor unions here:
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Calculus was developed by Isaac Newton.
B- Newton