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On the morning of June 29, 1914, Americans awoke to the news that the heir to the ... Among the casualties of the war was the end of the Progressives' faith that ... World War I would claim the lives of millions and ignite revolutions in its wake
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I'd say the 1st one: Carbon decays at a constant rate, and scientists measure the amount of carbon in a fossil to determine its age. (Half life of 5730 years)
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it created a "surplus of food"
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In the winter of 1854/55, Italian forces from the Kingdom of Sardinia joined the allies. ... Britain and France's response to this attack was to deliver an ultimatum to Russia, stating that if it did not end its conflict with the Ottoman empire by march 1854.
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Democrats agreed that Hayes would become ... South with Reconstruction-era Republican governments still in power