#Social_Security  social welfare program in the U.S.; includes old-age and survivors insurance and some unemployment insurance and old-age assistance
  supertype:  social_insurance  government provision for unemployed or injured or aged; financed by contributions from employers and employees as well as by government revenue
  subtype:  old-age_insurance__oldageinsurance  insurance paid to the elderly
  subtype:  survivors_insurance__survivorsinsurance  insurance paid to surviving spouses

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