Answer:
The good answer is:
To ensure the well being of all people of the US.
Explanation:
The era of F.D. Roosevelt  is also known as the New Deal. It was a period when major government programs with large social impact were designed and implemented. FDR wanted to alleviate the hardships and sufferings  of common Americans hit by the devastating effects of the Great Depression. The main targets of such programs were the dispossessed. Under FDR, the federal government got new responsibilities  and a large role in social welfare that had been previously unknown.