Steel allowed for the creation of new inventions that allowed New York City to grow “up and out”. What were these two new inventions? A Skyscrapers and suspension bridges B Broad boulevards and sewer systems

Steel allowed for the creation of new inventions that allowed New York City to grow “up and out”. What were these two new inventions?

A
Skyscrapers and suspension bridges

B
Broad boulevards and sewer systems

C
Underground railways and electric trams

D
Gas powered streetlights and tree lined streets

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Steel allowed for the creation of new inventions that allowed New York City to grow “up and out”. What were these two new inventions? A Skyscrapers and suspension bridges B Broa…

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