The Cuban Missile Crisis of October 1962 was a direct and dangerous confrontation between the United States and the Soviet Union during the Cold War and was the moment when the two superpowers came closest to nuclear conflict. The crisis was unique in a number of ways, featuring calculations and miscalculations as well as direct and secret communications and miscommunications between the two sides. The dramatic crisis was also characterized by the fact that it was primarily played out at the White House and the Kremlin level with relatively little input from the respective bureaucracies typically involved in the foreign policy process.
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The industrial use of steam power started with Thomas Savery in 1698. He constructed and patented in London the first engine, which he called the "Miner's Friend" since he intended it to pump water from mines.
Slavery started in the colonies because the colonists needed cheap labor to grow the economy quickly by exporting things to England and some parts of Europe.
The black death was one of the most devastating disease outbreak in the history of human race. The black death resulted in a lot of crises including religious, social and economic upheavals. Although the disease affected all the people in Europe, at a time the Jews were blamed for the ravages caused by the disease outbreak. The Jews were thought to be responsible for the disease, therefore, other people started killing the Jews who live in their communities and this lasted all through the time of the disease out break.
