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The poisoned substance was mixed with arsenic-free zinc and sulfuric acid, resulting in arsine gas.
The gas was later ignited and decomposed into pure metallic arsenic. This test was highly sensitive and could detect even one-fiftieth of a milligram of arsenic. It was a remarkable discovery, since before that, arsenic was widely used as poison in enormous amounts of murders, impossible to detect and trace.
Answer: The entry of the us into warfare II caused huge changes in just about each facet of yank life. several men and ladies entered military service and saw elements of the planet they might possible ne'er have seen otherwise. The labor demands of war industries caused millions additional Americans to move--largely to the Atlantic, Pacific, and Gulf coasts wherever most defense plants set. once warfare II all over, the us was in higher financial condition than the other country within the world. Even the three hundred,000 combat deaths suffered by Americans paled compared to the other major belligerent.
The first, the multiregional hypothesis suggests that humans evolved from Homo erectus outside of Africa. ... The second hypothesis, or the African replacement hypothesis, suggests that Homo sapiens left Africa and then inhabited the rest of the Old World, replacing primitive humans that had already left Africa.
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Girolamo Savonarola, (1452- 1498), was an Italian preacher and theologian, who sought to reform the church and society in Florence and Italy. He became renowned throughout Italy after his attacks on the immoral and the corrupt clergy and his criticism of the ruling elite in Florence. After the overthrow of the Medici in 1494, Savonarola was the most influential figure in Florence, even though he never held office. His power was short-lived, and he ended his days on the gallows. However, he was a very important figure and was an immensely influential figure in Renaissance Italy and indeed Europe. This article will show that Savonarola was a key figure in the development of both the Reformation and the Counter-Reformation. Uniquely, he was to inspire figures such as Martin Luther and other leaders of the Reformation and also leading figures in the Catholic Church.
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high tariffs, against slavery = north
low tariffs, for slavery, western expansion of slavery =south
cheap public land = west
govt. built roads = east
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