History of Automobile
File Size:	3575 kb
File Type:	pptx

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Rockefeller and Morgan PPT
File Size:	6053 kb
File Type:	pptx

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Labor during Industrial Revolution
File Size:	2291 kb
File Type:	pptx

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Railroad PPT
File Size:	3732 kb
File Type:	pptx

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Immigrant PPT
File Size:	6425 kb
File Type:	ppt

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