Based on Source 3 and your knowledge of social studies, how was FDR’s presidency a change from previous presidents during the 1920s?

a .FDR's presidency was characterized by a significant expansion of the power and size of the federal government, in order to address the severe economic and social problems facing the nation, a marked contrast to the laissez-faire policies of the presidents during the 1920s.
b.FDR's presidency marked a shift towards isolationism, as he chose to focus exclusively on domestic affairs, unlike the presidents of the 1920s who were involved in international relations.
c .FDR introduced economic policies that favored big businesses, diverging from the policies of the 1920s presidents who prioritized small businesses and farmers.
d .FDR abandoned the principle of democratic governance, implementing autocratic measures that contrasted sharply with the democratic traditions upheld by the presidents of the 1920s.

a. FDR's presidency was characterized by a significant expansion of the power and size of the federal government, in order to address the severe economic and social problems facing the nation, a marked contrast to the laissez-faire policies of the presidents during the 1920s.