The leader of the Bolscheviks was Vladimir Lenin (1870-1924).
He founded the Bolscheviks (meaning "majority") together with<span> Alexander Bogdanov. (it split in 1903 from the Mansheviks).
The Bolscheviks later became the Communist Party of the Soviet Union
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The bataan death march is considered a war crime, because the prisoners were mistreated, they were not treated as humans, etc
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D. Western European crusaders conquered the Muslim empires and enslaved most of the people.
The answer is B. commonly as Jim Crow laws
Movies were often used as political propaganda. For example, during world war 2, movies shown were either about the war or were actual scenes from the war using footage by people on the war fronts. This was done to improve morale and inspire people to join the effort. The movies would be about monstrosities by the enemies and about war heroes of the allies and the people would join the fight and want to help.