8-1What advances in science and technology help solve urban problems?steel and elevaters helped invent skyscrapers. the brooklyn bridge was built in 1833 and before the bridge workers would have to go in a water tight chamber under the East river.8-2How did education change in the late 1800's and early 1900's?more than half a million students went to school and only 6.3 % graduated.immigrants were encouraged to go to school so they could americanize them.
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