Which reasons were push factors in the wave of immigration that occurred between 1820 and 1850? check all that apply. a. freedom in the united states b. famines and food shortages in the old country c. better housing in america d. overcrowding in europe

- "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