The development of structural steel and the ________ were essential to the development of the modern skyscraper.

Question

Quizplus · Accepted Answer

The development of structural steel allowed for the creation of tall buildings with strong support systems. However, without the invention of the electric elevator, it would have been difficult for people to access the upper floors of these skyscrapers. Pre-cut glass panes and ancient concrete techniques were also used in building construction, but they were not essential to the development of the modern skyscraper. Cable cars are used for transportation but have not played a significant role in the development of skyscrapers.

The Development of Structural Steel and the ________ Were Essential