How did innovations such as steam power, air brakes, automatic lubricator, and steel tracks affect the railroads?

2 answers:

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The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.

Svetllana [295]3 years ago

5 0

Answer:

Explanation:

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