In his most famous piece of work, The Prince, Niccolò Machiavelli basically wrote a manual on the types of existing principalities, poiniting out the difference between each of them, on the foundations of power and, finally, on the norms of conduct that the one who aspires to be prince must adopt.
According to the author, it was not enough to achieve power; the prince should be able to keep it, and to do so, he would have to be respected by the people, acting accordingly to each circumstance, changing strategies as appropriate. The most famous saying that synthesizes the Machiavellian though is "The ends justify the means", which means that in order to remain in the custody of power (which would be the "end"), the prince is authorized to act in the most convenient manner, not necessarily needing to stick to rigid moral principles and ethical norms.
<span>He commended slavery and affirm the idea of African-Americans natural rights is the correct answer</span>
The Russian Revolution 1917 which is also known as the October Revolution change government of Russia as it allowed the Bolshevik socialists to acquire power and eventually established the Soviet Union (USSR). This revolution is considered as one of the most important events in world history. The revolution helped to end the autocratic rule of Tsar and after that the Russian Soviet Federative Socialist Republic established.
The revolution not only helped in ending to monocratic, zarchic rule, autocratic, but also ended the economic and social power of the big landlords, feudalists, capitalists etc. Due to the result of this revolution, the first power of workers and peasants in the world established.
B & D are the correct answers :-)