I believe the answer is going to be c
The result of creating rail standardization is that trains from different rail lines could use each other’s tracks.
<h3>What is standardization?</h3>
Standardization allows the same system across board.
It allows different train to move on same rail without restrictions this was done to ease the movement of train.
Therefore, The result of creating rail standardization is that trains from different rail lines could use each other’s tracks.
Learn more on standardization below
brainly.com/question/18566267
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There was no railroad mileage in the pacific region in 1850 because of the lack of people,they could not get their supplies to the location.
Hope this helps :)
