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The Bessemer Process was the first inexpensive industrial process for the mass-production of steel from molten pig iron prior to the open hearth furnace. The key principle is the removal of impurities from the iron by oxidation by blowing air through the molten iron.
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Answer: The major political parties are organized at the local (usually county), state, and national levels. Party leaders and activists are involved in choosing people.
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Answer:Quanah Parker and his Comanche tribe surrendered.
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Answer:
Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919. In the United States, it was first identified in military personnel in spring 1918. It is estimated that about 500 million people or one-third of the world's population became infected with this virus.
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