Why was the discovery of the Mississippi River so important?
Please explain in 3-5 sentences!

The voyage marked the beginning of commercial steam navigation on inland rivers and led to revolutionary economic and cultural change. The river had eventually became such a vital aspect of industry that during the Civil War, control of the waterways was a major strategic objective of the Union Forces.

answer: they arrived in new york.

- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

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