What was "de facto" segregation?
A. Clear signs that specified where people of different races could be served
B. Separation that occurred through intimidation, violence, and unfair laws
C. Quiet, nonviolent protest of unfair rules that promoted segregation
D. A strategy advocated by the NAACP of being patient with slow progress

- "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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the answer is expolration. hope this !

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate