Lenin was sent back to Russia from exile by the Germans in WW1 to destabilize russia which worked. His slogan was land, peace and bread. He formed a party called the bolsheviks, who later executed the royal family. Lenin kept the populace believing that he was helping them by improving the economy.
Because the blacks needed a period of probation and instruction. A period is long enough for the black to have forgotten something of the condition as a slave.
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People believed that the Earth was actually the center of the universe, and he was concerned about publishing his ideas because this was very frowned upon and he would get harshly critcized and most likely punished for this idea.
Explanation: