Question

According to this excerpt, what was an underlying cause of increased steam elevator production?

A)construction of tall buildings
B)the need to move supplies in mills
C)freight service operations
D)commercial advantages

Answer 1

D) commercial advantages

Step-by-step explanation:

Answer 2

a) construction of tall buildings

Step-by-step explanation:

Since the buildings during this time period were being built bigger and bigger there was more demand for elevators so people could get from floor to floor. Hope this helped :)