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replacement of manual implements of labor in sectors of material production or in labor processes with machines and mechanisms using various types of power and traction for their operation.
The Louisiana Purchase: Jefferson's constitutional gamble. On October 20, 1803, the Senate ratified a treaty with France, promoted by President Thomas Jefferson, that doubled the size of the United States. ... The land involved in the 830,000 square mile treaty would eventually encompass 15 states.
The Persian empire was in existence at the same time as ancient Egypts late period. Hope this helps.
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Menelik II fought off Italians bent on taking his empire, but also oppressed and enslaved ethnic
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