1930s
The late 1930s saw the emergence of a new era of tolerance in the United States. National leaders hailed the Bill of Rights, particularly as it protected minorities, as the essence of democracy. The 1939 Supreme Court decision in Hague v. Committee for Industrial Organization affirmed the right of communists to promote their cause. Even conservative elements, such as the American Bar Association began to campaign for civil liberties, which were long considered to be the domain of left-leaning organizations. By 1940, the ACLU had achieved many of the goals it set in the 1920s, and many of its policies were the law of the land.
Read more about this topic: American Civil Liberties Union