Question

This product allowed for the buildings in American cities to be built higher in the late 1800s.

a. oak
c. steel
b. iron
d. aluminum

Answer 1

The answer is steel which is very hard and strong. It is a lot as a structural and fabricating material.

Answer 2

c. steel

Step-by-step explanation:

The importance of steelin construction lays on the fact that it is a stronger material, and it is a ligther material than iron, whihc was used prior to steel to many constructions, being stronger and lighter it gives the engineers the possibility to create bigger taller buildings that weighted less tha before this scalated the possibilities to build taller buildings.