Question #17: How does the phrase "a more perfect union"in raragraph 25 contribute to the development of ideas in the speech? A. The phrase implies that Obama believes that the United States will never be perfect and Americans should recognize the country's faults B. The phrase references a similar phrase the U.S. Constitution , emphasizing the unconstitutional discrimination African Americans have faced and continue to face today. C. The phrase emphasizes Obama's hope for a better, more united future in the U.S. and the efforts that must be made to reach this D. The phrase suggests that Obama believes that the country has substantially improved in the past few decades and does not