If anyone is still wondering whether the United States is truly a country where everything is possible, if anyone is still questioning whether the dreams of our founders are still alive in our time, and if there are still doubts about the power of our democratic system, then tonight you Got an answer. What does this passage say? ['People should have absolute confidence in American democracy and vitality.', "Something tonight will prove America's democracy and vitality.", 'The moment of change in the United States is coming.', 'What the United States needs is adherence to the traditional political culture.']