Question

What innovation allowed for skyscrapers

to be built during the American
Industrial Revolution?
A. stronger wood products based on carpentry techniques
B. stronger steel because of the Bessemer process
C, the invention of cement and concrete
D. the invention of the steam engine

Answer 1

I think it is C maybe

Answer 2

Answer: It is B - Stronger steel because of the Bessemer process

Step-by-step explanation: