Explain how the Transcontinental Railroad
changed travel to the West,
what benefits did it have?

It made commerce possible on a vast scale.

Explanation:

In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade.

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explanation:

a trial judge has broad powers in his courtroom. the judge's decision is usually final for the duration of the trial, and the party's one special type of witness is an expert witness.

i think economic depression and disrupted trade and commerce