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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
Broad boulevards and sewer systems

C
Underground railways and electric trams

D
Gas powered streetlights and tree lined streets

User Drobson
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1 Answer

3 votes

Answer:

A

Step-by-step explanation:

There are many skyscrapers and suspension bridges in New York

User Lhaferkamp
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