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OpenStudy (anonymous):
Which two inventions were showcased at the 1893 Chicago World's Fair? Hamburgers Pasteurization Democracy Lightbulbs
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OpenStudy (mrnood):
how about YOU do some research - no-one here is going to know th eanswer straight of - if YOU look it up you may learn more than just these 2 things! http://www.history.com/news/7-things-you-may-not-know-about-the-1893-chicago-worlds-fair
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