Options A, and D are the right answers, that he established Duma, and freed the slaves.
In his October manifesto of 1905, Tsar Nicholas II ( the emperor of Russia who ruled between 1894 and 1917), established the Duma (a representative assembly). And in 1861, he introduced significant agrarian reforms and hence, he declared all the serfs to be freed.
Nicholas II was the last tsar of Russia under Romanov rule. His poor handling of Bloody Sunday and Russia's role in World War I led to his abdication and execution.
<h3>How did Nicholas II change the world?</h3>
Nicholas II was an uncompromising autocrat, and this stance helped provoke the Russian Revolution of 1905. After Russia entered World War I, Nicholas left the capital to assume command of the army.
To learn more about Nicholas II, refer
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