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1 vote
Which of these was made possible by railroads?

O A. Faster mail delivery.
O B. Mass transportation.
O C. Changes to industry.
O D. All of the above are correct.​

User Steen
by
4.5k points

2 Answers

6 votes

Answer:

D

Step-by-step explanation:

THEY ALL ARE POSSIBLE BY RAILROADS

User Surekha
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4.2k points
0 votes

Answer:

D

Step-by-step explanation:

Although some of those came after others, they all were made better by railroads.

User Gonzalingui
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4.2k points