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this big boom of technoligy started in 1903 and ended in 1960 this is the most remarklble time for humans.
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the great migration was when the afericans were migrating north from 1916-1970
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these amendmets were passed fro 1920 to 1933 they were made so that you can get liquer and women can vote.
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this was so that onley 3% of immigrants can come into our counttry.
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it moved to where onley 2% of immigrants can get into our country.
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black tuesday and black thuresday was government declaired bank hollidays tthe economic state was bad.
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roevelt was ellected president in 1928 thru1932 hoover dam was constructed in 1931 thru 1938
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the g.i bill was passed in 1943 the frisbee was invented in 1948