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The English made their first settlement in Jamestown, Virginia
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Europeans brought Africans to America to work as slave laborers on cotton and tobacco plantations in the South.
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Great Britain gained control of all of North America east of the Mississippi River
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American Revolution. Protest by French and English lead to this
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The United States nearly doubled in size when the government purchased the vast plains region between the Mississippi and Rocky Mountains from France
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expedition explores the area of the Louisiana puurchase
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expedition of the louisiana purchase is ended
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began moving pioneers to the west
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civil war ends . it took four years of bloody fighting and many more years of political conflicts to reunite the country
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The first transcontinental railroad across the United States was completed.
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About 17 million people lived between the Mississippi and The Pacific, railroads brought people to the west
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Land available for settlement on the western frontier has nearly dissapeared.
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The United States continiues it's westward expansion, annexing Hawaii.
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Use of an assembly line in Ford auto plants streamlines manufacturing
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regular radio program by staion, KDKA in pittsburgh begins the era of mass production
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the first mass television audience watches baseball's world series
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many students and others protested U.S involvement in a war between communist and the non-communist fores in vietnam
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U.S. manned exploration of space starts as Alan B. Shephard Jr. is launched into sub orbit of earth
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the development of the integrated circuit would make the wide spread use of computers possible
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the U.S department of defence developed a computer network that later leads to the internet
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mapping human genetic material is a break-through in bio technology
