The Russian serfs were emancipated by Ivan III. Catherine the Great. Peter the Great. Nicholas II. Alexander II.

Alexander II

Explanation:

Alexander II through the Emancipation reform of 1861 eliminated serfdom from Russia. Serfdom was a practice in the 17th century were peasants known as serfs were subjected to harsh working conditions under the Russian nobles. Serfs were sold along with the land they worked in.

Nicholas II stopped the act of selling slaves in Africa while Alexander II made the move to completely abolish serfdom.

mass production/ assembly line production

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