STEP-BY-STEP ANSWER:
Step 1: Identify FDR's political background and his experience prior to the presidency, including his leadership roles and public service.
Step 2: Explain the context of the Great Depression, emphasizing the economic distress that created a need for bold leadership.
Step 3: Describe the election campaign strategies employed by FDR, such as his promise of hope and renewal, which resonated with the American public.
Step 4: Discuss how FDR’s innovative public communication methods, like the fireside chats, helped consolidate his power and build public confidence.
Final Answer: Franklin Roosevelt rose to power by leveraging his extensive political experience, addressing the urgent needs of a nation in crisis through innovative communication and policy proposals, and ultimately winning electoral support by promising transformative change.