Developments in which of these industries made important contributions to improvements in the transportation system in the Unite

Question

Flura [38]

3 years ago

9

Developments in which of these industries made important contributions to improvements in the transportation system in the Unite

d States during the second half of the 19th century? petroleum steel mining aviation

History

2 answers:

Pachacha [2.7K] · Answer 1 · 2022-04-17T04:33:34+03:00

Pachacha [2.7K]3 years ago

8 0

It was mainly developments in the "steel" industry that made important contributions to improvements in the transportation system in the United States during this time, since the major advancement in transportation was in the railroads, which were made from steel.

4vir4ik [10] · Answer 2 · 2022-04-17T06:15:45+03:00

4vir4ik [10]3 years ago

5 0

Answer:

STEEL

Explanation: