Explanation:
1. Alexander III was Emperor of Russia, King of Poland and Grand Duke of Finland from 13 March 1881 until his death in 1894. He was highly reactionary and reversed some of the liberal reforms of his father, Alexander II.
2. The proletariat are the social class of wage-earners, those members of a society whose only possession of significant economic value is their labor power. A member of such a class is a proletarian
3. a member of the majority faction of the Russian Social Democratic Party, which was renamed the Communist Party after seizing power in the October Revolution of 1917.
4. Vladimir Lenin  better known by his alias Lenin, was a Russian revolutionary, politician, and political theorist. He served as the first and founding head of government of Soviet Russia from 1917 to 1924 and of the Soviet Union from 1922 to 1924.
5. The Russian Empire and the Empire of Japan fought the Russo-Japanese War during 1904 and 1905 over rival imperial ambitions in Manchuria and Korea. The majority  of military operations were the Peninsula and  in Southern Manchuria, and the seas around Korea, Japan, and the Yellow Sea
6. Â Rasputin was a Russian mystic and self-proclaimed holy man who befriended the family of Nicholas II, the last emperor of Russia, and gained considerable influence in late Imperial Russia.
7. A provisional government, also called an interim government, an emergency government, or a transitional government, is an emergency governmental authority set up to manage a political transition generally in the cases of new nations or following the collapse of the previous governing administration.
8. The Soviet Union, officially the Union of Soviet Socialist Republics, was a socialist state that spanned most of Europe and Asia during its existence from 1922 to 1991. It was nominally a federal union of multiple national republics; in practice its government and economy were highly centralized until its final years.
9. The New Economic Policy reintroduced a measure of stability to the economy and allowed the Soviet people to recover from years of war, civil war, and governmental mismanagement. The small businessmen and managers who flourished in this period became known as  men.
10. A communist party is a political party that seeks to realize the social and economic goals of communism. The term communist party was popularized by the title of The Manifesto of the Communist Party (1848) by Karl Marx and Friedrich Engels.
11 . Joseph Stalin was a Georgian revolutionary and the ruler of the Soviet Union from 1927 until 1953. He served as both General Secretary of the Communist Party of the Soviet Union and Chairman of the Council of Ministers of the Soviet Union.
12 The five-year plans for the development of the national economy of the Union of Soviet Socialist Republics consisted of a series of nationwide centralized economic plans in the Soviet Union, beginning in the late 1920s
13 A planned economy is a type of economic system where investment, production and the allocation of capital goods takes place according to economy-wide economic plans and production plans. A planned economy may use centralized, decentralized, participatory or Soviet-type forms of economic planning.
14 he Great Purge or the Great Terror, also known as the Year of '37 and the  was Joseph Stalin's campaign of political repression in the Soviet Union that occurred from 1936 to 1938.
15 Â Totalitarianism is a concept for a form of government or political system that prohibits opposition parties, restricts individual opposition to the state and its claims, and exercises an extremely high degree of control over public and private life.
16. Collective farming and communal farming are various types of "agricultural production in which multiple farmers run their holdings as a joint enterprise"
17. The May Fourth Movement was a Chinese anti-imperialist, cultural, and political movement which grew out of student protests in Beijing on 4 May 1919.
18. Â Mohandas Karamchand Gandhi was an Indian lawyer, anti-colonial nationalist, and political ethicist, who employed nonviolent resistance to lead the successful campaign for India's independence from British rule, and in turn inspired movements for civil rights and freedom across the world
19 . Civil disobedience is the active, professed refusal of a citizen to obey certain laws, demands, orders or commands of a government. By some definitions, civil disobedience has to be nonviolent to be called "civil". Hence, civil disobedience is sometimes equated with peaceful protests or nonviolent resistance
20. The Salt March, also known as the Salt Satyagraha, Dandi March and the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mahatma Gandhi.
21. The Anarchical and Revolutionary Crimes Act of 1919, popularly known as the Rowlatt Act, was a legislative council act passed by the Imperial Legislative Council in Delhi on 18 March 1919, indefinitely ..
