The 1830 Revolution ended the rule of Charles X over France, and Louis Philippe was placed on the French throne. Some of the causes of the French Revolution was the severe economic problems beginning in 1846 brought untold hardship in France to the lower-middle class, workers, and peasants.
The correct answer should be A. Oligopoly
It is a state of market where the entire market is lead by a few owners of production factories or sellers. This wasn't a result of the new market structures in the late 1800s.
If you walked along the sea, you would be (hopefully) enjoying the coastline.
Farming/ slavery.
This answer really depends on what the question is asking, the southern economy banked heavily off of farming, BUT it was impossible to provide and have such an abundance of crops without slavery. So, it depends on the options you have.
Hope this helps, man!