The United States was one of the last major industrialized nations to establish a social security system. In 1911, Wisconsin passed the first state workers compensation law to be held constitutional. At that time, most Americans believed the government should not have to care for the aged, disabled or needy. But such attitudes
changed during the Great Depression in the 1930's.
In 1935, Congress passed the Social Security Act. This law became the basis of the U.S. social insurance system.
It provided cash benefits to only retired workers in commerce or industry. In 1939, Congress amended the act to benefit and dependent children of retired workers and widows and children of deceased workers . In 1950, the act began to cover many farm and domestic workers, non professional self employed workers, and many state and municipal employees. Coverage became nearly universal in 1956, when lawyers and other professional workers came under the system.
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