Which idea of jean-jacques rousseau's differed from baron de montesquieu?

The idea of Jean-Jacques Rousseau's that differed from Baron de Montesquieu is the belief in the basic good nature of human beings.

The theorist Jean-Jacques Rousseau believed that man is naturally good and that vice and error are alien to him. This lead to a conflict between “nature” and “artifice” in attitudes to society, education and religion. Rousseau argues that nature is man’s state before being influenced by outside forces.

Baron the Montesquieu believed that all things were made up of rules or laws that never changed.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

this is a good question! i'll do some research and come back when i have the answer!