American Federation of Labor and Congress of Industrial Organizations: Congress of Industrial Organizations

Within the AFL in the early 1930s a strong minority faction evolved, advocating the organization of workers in the basic mass-production industries (such as steel, auto, and rubber) on an industry-wide basis. John L. Lewis of the United Mine Workers of America led this faction in forming a Committee for Industrial Organization in 1935. This group (changing its name in 1938 to Congress of Industrial Organizations) immediately launched organizing drives in the basic industries. The spectacular success of those drives, particularly in the automobile and steel industries, enhanced the CIO's prestige to the point where it seriously challenged the AFL's hegemony within U.S. organized labor. After fruitless negotiation the parent body revoked the charters of the 10 dissident international unions.

The CIO, under the presidency of Lewis until 1940 and then of Philip Murray until his death in 1952, followed more militant policies than the AFL. The CIO's Political Action Committee, headed by Sidney Hillman of the Amalgamated Clothing Workers Union, played an active role in the CIO's attempt to urge its membership into more active political participation. The CIO grew rapidly until its affiliated international unions numbered 32 at the time of the 1955 merger, with an estimated membership of five million. Its growth, however, was marked by internal dissension; the International Ladies Garment Workers Union (ILGWU) withdrew in 1938 and the UMW in 1942. While the AFL was grappling with the problem of gangster-dominated affiliates, the CIO decided in 1948 to bar Communists from holding office in the organization, and in 1949–50 it expelled 11 of its affiliated unions, which were said to be Communist-dominated.

Sections in this article:

• Introduction
• Merger to the Present
• Congress of Industrial Organizations
• American Federation of Labor
• Bibliography

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