Strengthening of nationalist movements from the uprisings of 1848 in Europe.
Option C
<u>Explanation</u>:
The series of revolt in the European nations were against the monarchies which began in Sicily and later spread to France, Germany, Italy and also the Australian empire. All of them ended with failure and created great oppression among the people.
The "revolution" was successful in France which is famously named as french revolution. Although the result of the revolt was negative, serious changes were made with the system of Manorialism abolished in Germany which gave the peasants new rights.