Except for the king, every noble in a feudal society served as a <u>vassal </u>to a higher noble. The vassal in medieval Europe, was a man who was granted land in exchange for service and loyalty to an older man or is more important. They made a feudal contract that was an exchange of promises between lords and vassals. In feudal society was the monarch, then the powerful lords who had vassals.
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The reasons why the USSR stole the secret of how to create nuclear warheads can be found in the Cold War.
America, the main adversary of the Soviets during the Cold War period, was a country that had demonstrated its nuclear capabilities to the world in 1945, with the bombings of Hiroshima and Nagasaki. Therefore, it possessed the necessary technology to end an armed conflicts almost immediately and, consequently, its political power was enormous against countries without nuclear capacity.
The Soviet Union, then, had to equate its military forces if it wanted to politically equate itself with the United States. That is, if it managed to have the same threatening power as the United States, it would have similar political power.
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World War I or the First World War, often abbreviated as WWI or WW1, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
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