Industrial+TechnologyDV

=Industrial Technology (Skyscrapers)= The physical appearance of cities also changed dramatically. As city population drew, demand raised the price of land, creating the incentive to build upward rather than outward. soon, tall, steel frame buildings called skyscrapers began to appear. Chicago's ten story Home Insurance Building, built in 1885, was the first skyscraper, but other buildings quickly dwarfed it.