What major legal and political changes led to the rise of constitutional government in the west?

The major legal and political changes that contributes to the rise of constitutional government in the west is most likely because of consent in which people have given the rights and the equality of which all people are treated equal. This had brought up big chances in their society.

a. factors that are used to make goods and services

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."