jan 1, 1933 - 1933 - When elected president, Franklin Roosevelt inaugurated his New Deal, pushing through a series of questionably constitutional acts and policies that rapidly increased the power of the federal government. By bringing many industries under federal control, Roosevelt mitigated the effects of the Great Depression at a cost to the federal government, using the principles of Keynesian economics. Additionally, he personally and on behalf of the president's office assumed many powers not previously granted by