The 18th century France witnessed the emergence of the middle class. Who were they and what were their ideas?

The 18th century France witnessed the emergence of the middle class who were the change-makers from the third estate.
About 60 percent of the land owned by the nobles, the Church and other richer members of the third estate.
They earned their wealth through an overseas trade and by manufacturing goods such as woollen and silk textiles that were further exported or bought by the rich class.

Final Answer:
In the 18th century France society was organised into estates and emerge the middle class who were the change maker from the third estates. They were involve in trade and manufacturing goods such such as woollen and silk textiles that were bought by the rich class.