The correct answer is C) the French Revolution of 1848.
The event that caused that feeling was the French Revolution of 1848.
This event represented the culmination of efforts of the French people to overthrow King Lous Phillipe in February 1848. That is why this episode is called the February Revolution. After this incident, the Second Republic of France was installed. But French people were not happy with the conservative government that followed and in June of 1848, they organized the June Days insurrection. This calm a little bit when Louis Napoleon Bonaparte or Napoleon III was elected President on December 2, 1848.