Identify a new invention or technology, and describe how it helped cities grow.
Mass-produced steel allowed cities to build skyscrapers. Skyscrapers helped cities grow by making room for more people and businesses on limited land.
Which invention did you include in your answer?
Choose whether the details below are features of the wealthy, the middle class, or the working poor. worked as doctors and lawyers exposed to disease and illness as a result of horrible living conditionslived in the inner city lived in lavish homes lived in comfort, but not in luxury owned large corporations and factories
What did you infer about these boys?
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