Complex sentence: Compared to the social security systems in western European countries, the Social Security Act of 1935 was rather conservative, but for the first time the federal government took responsibility for the economic security of the aged, the temporarily unemployed, dependent children and the handicapped.
Split into simpler sentences: Compared to the social security systems in western European countries, the Social Security Act of 1935 was rather conservative. But for the first time the federal government took responsibility for the economic security of the aged, the temporarily unemployed, dependent children and the handicapped.