After 1910, local municipalities faced increasing pressure from to improve roads. A. the federal government B. the mining industry C. automobile owners D. tourists and other visitors

C. automobile owners

Explanation:

C. automobile owners

- "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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it further strained relations between the north and the south and convinced