(i) The revolutionary spirit spread all over Europe only after the French Revolution took place in 1789. The ideas of liberty, equality and fraternity gained popularity among people all over Europe.
(ii) Educated people especially got attracted to these ideas.
(iii) The political upheaval in France that took place in July 1830 sparked revolutions in places like Brussels which led to Belgium breaking away from the United Kingdom of the Netherlands.
(iv) In this way we see that France was one of the most important countries of Europe. It spread awareness among the people of Europe.
(v) It set values and standards for the entire continent. Other countries of the continent just followed what France did.