In the aids virus was discovered in america.

a.) 1985
b.)1979
c.)1981

Neither on of these is the answer. It was discovered in 1983. But was found in “ Young Gay Men” in LA , NYC and San Francisco in 1981

- "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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in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".