There were two different presidents with the last name Roosevelt, Franklin Delano Roosevelt and Theodore Roosevelt. Theodore Roosevelt's most famous act was the Pure Food and Drug Act of 1906, while Franklin Roosevelt's most famous act was the Social Security Act. Franklin Delano Roosevelt was the 32nd president of the United States, while Theodore Roosevelt was the 26th president of the United States.
The Pure Food and Drug Act of 1906 was a piece of legislation that led to the creation of the Food and Drug Administration to regulate and supervise food and drug safety. The act was spurred by Upton Sinclair's book, "The Jungle," which discussed the unsanitary practices of meat processing companies. Theodore Roosevelt was the president during the Progressive Era and is known for his Square Deal legislation and his famous foreign diplomacy "speak softly and carry a big stick."
The Social Security Act was enacted in 1935, and essentially created the Social Security system in the United States. Social Security is essentially an American resident's identification card and provides pensions to disabled and unemployed Americans. Approximately 55 million American receive some type of benefit from Social Security. Franklin Delano Roosevelt was the president during the Great Depression and is well known for his New Deal legislation.