Photograph of demonstrators marching along Broadway, across the street from the Grand Central Market, in Los Angeles. Hershel Alexander, the man in the hat passing out leaflets, was a member of the Communist Party in Los Angeles. The demonstrators are holding signs denoucing Pres. Harry Truman and demanding the repeal of the Smith and McCarran Acts. Enacted in 1490, the Smith Act made it illegal for anyone to knowingly or willfully advocate the overthrow of any government in the United States. The McCarran Act established the Subversive Activities Control Board. Organizations that were deemed un-American were required to register with the board, disclose their membership and finances, and label themselves "subversive" on all printed matter. Critics maintained the laws were unconstitutional, usurping citizens' rights to free speech and peaceful assembly.
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