'I plead the fifth' is a term used for citing the right to decline a question if their own answers might incriminate or enmesh themselves into a bad situation. This is generally used to be free of any penalties rather than taking the risks of answering a question you might not want to expose. Someone might say this statement if they do not want to reply to a question that will make them come off as bad or petty.
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.
Other options do not come under his reforms as russification was the name of the policy of the Alexander III, and Peter the great the first emperor of Russia who established the constitutional monarchy.
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Andrew Jackson, John Quincy Adams, Henry Clay and William Crawford were the primary contenders for the presidency. The result of the election was inconclusive, as no candidate won a majority of the electoral vote. In the election for vice president, John C. Calhoun was elected with a comfortable majority of the vote
Please vote brainliest
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