231,405 views
45 votes
45 votes
What material made the structure of

bridges stronger and more long-lasting
during the early 1900's?
A. concrete
B. stone
C. steel
D. wood

User Camilo Silva
by
3.3k points

1 Answer

12 votes
12 votes
The answer is: C. steel
User Minal
by
2.6k points