She expanded serfdom.
Alexander II
It would possibly depend upon your definition of "Serfdom", but I believe the 1917 revolution and subsequent overthrow of the Tsar effectively ended Serfdom in Russia by any definition. The pre-revolutionary Russian economy was heavily dependent on free labour, which was augmented by exiled prisoner labour. Earlier attempts at freeing the Serfs during the Romanov Dynasty ended in unpleasantness and the Serfs not being freed.
Russia Constitution was approved on 12 of august in 1993.
It was decimated by barbarians until well into the 1500s. After that, Ivan the Terrible helped unite Russia and start a dynasty, but the tzars in power were some of the most oppressive monarchs in all of Europe, and serfdom was still common until almost the 20th century.
Spain abolished serfdom in 1837
Russia abolished serfdom, which was a form of semi-feudal slavery, in 1861 under Tsar Alexander II. This decree freed over 23 million serfs and marked the end of serfdom in Russia.
Joseph II abolished selfdom
Catherine the Great attempted reforms to benefit her people, but her actions were flawed in some important ways. The authority and power of the nobility increased at the expense of the serfs, and the condition of ordinary people deteriorated.
lenin
Serfdom was abolished in various ways during the Age of Enlightenment, including through legislative reforms and social movements that emphasized individual freedoms and rights. The Enlightenment ideals of liberty, equality, and reason led to the questioning of feudalistic systems and the recognition of serfdom as a violation of human dignity. Reforms such as the Emancipation Manifesto in Russia and the French Revolution played key roles in the abolition of serfdom during this period.
Joseph II
The Emancipation Edict was enacted by Tsar Alexander II of Russia in 1861, which officially abolished serfdom in the Russian Empire.
Peter the Great 'westernized' Russia by introducing European technical knowledge, fashion and ideas to Russia; Alexander II abolished serfdom in Russia, freeing some 15 million people from slavery.
He abolished serfdom on all royal lands in Prussia, all the lands that he owned, but not throughout the country.
Tsar Alexander II issued the "Emancipation Edict" which abolished the institution of serfdom.
Czar Alexander II. He abolished serfdom in 1861