why did president franklin d. roosevelt establish social security?\n to end the great depression\n to…

Brief Explanations:

Social Security was part of Roosevelt's New Deal policies. Its main aim was to offer economic security, especially to the elderly, unemployed, and those facing hardships. While the New Deal had broader goals like ending the Great Depression (which involved multiple measures beyond Social Security alone) and gaining approval for the New Deal (Social Security was one component, not the sole reason for seeking approval), and protecting the free - market system was not its core purpose. Economic security for vulnerable groups was the key focus of Social Security.

Answer:

to provide economic security