Which organization to the us employee during the cold war to work covertly in communists countries

- "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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equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.