Answer: A
Explanation:
Emancipation of Russian Serfs
It was the reign of Czar Alexander II, when one of the most important emancipation took place, providing freedom to all Russian serfs. With this emancipation, around 23 Million people received their liberty.
The idea of Russian Serfs' liberation was actually a part of the reformation of Europe, development of industrial fields and transforming the serfs into free proprietors who could help uplifting the stature of the country with their business and also provide economical support to the army.
