asked 216k views
5 votes
ASAP Select for 4 technological innovations of the late 1800s that allowed cities to grow skyward and outward ?

-elevator
-steel girders
-helicopter
-suspension bridges
-subways
-mechanical reaper

asked
User TeaBaerd
by
8.3k points

1 Answer

5 votes

Railroad, steamships, Telephone, escalator, motion picture, type writer, vaccines,

answered
User Oh My Dog
by
8.9k points
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