Passed in 1935, Roosevelt's most significant reform measure was the what?
http://www.boundless.com/u-s-history/the-new-deal-1933-1940/toward-a-welfare-state/social-security-and-tax-reform/
Social Security Act ^.^
Roosevelt's most significant reform measure passed in 1935 was the Social Security Act. To determine this answer, you could either recall historical knowledge or conduct a search using reliable sources such as history books, encyclopedias, or credible academic websites.
The Social Security Act was a landmark legislation that aimed to provide economic security to American citizens, particularly in their old age. It established the Social Security program, which provides retirement benefits, disability insurance, and survivor benefits. The act also created the unemployment insurance system and allocated funds for public assistance programs. By implementing these measures, Roosevelt aimed to address the economic hardships faced by the elderly, disabled, and unemployed during the Great Depression.