Why did the trails west often follow rivers for such a long distance?

I gonna give you 3 reasons, was beneficial for travelers to journey alongside rivers were, it was faster to travel by water, travelers could use the water to bathe, and they could also replenish drinking water supplies for themselves and their livestock.

Explanation:

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ilikeair12 history; do you think the american dream is still attainable? kristinalovestae history; which of the following describes a technological accomplishment of the 1920s a. the completion of the panama canal b. the solo non-stop transatlantic

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the use of email to replace slower surface mail.