American- trained cuban exiles tried to invade cuba at the bay of pigs gulf of tonkin thirty-eighth parallel pusan perimeter

The correct answer is: Bay of Pigs

- "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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b. native americans them