Roosevelt's speech had an immediate and long-lasting impact on American politics. Thirty-three minutes after he finished speaking, Congress declared war on Japan, with only one Representative, Jeannette Rankin, voting against the declaration. The speech was broadcast live by radio and attracted the largest audience in US radio history, with over 81% of American homes tuning in to hear the President. The response was overwhelmingly positive, both within and outside of Congress. Judge Samuel Irving Rosenman, who served as an adviser to Roosevelt, described the scene: