Why did Political Action Committees (PACs) begin? What do PACs do?
In 1947, as part of the Taft-Hartley Act, the U.S. Congress prohibited labor unions or corporations from spending money to influence federal elections, and prohibited labor unions from contributing to candidate campaigns (an earlier law, the 1907 Tillman Act, had prohibited corporations from contributing to campaigns). Labor unions moved to work around these limitations by establishing political action committees, to which members could contribute.
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