Which of the following best describes the function of the sentence about Lincoln's swift military response in the passage? A. It provides evidence that Lincoln generally did not oppose wars. B. It explains that Lincoln, despite his pacifist tendencies, was not convinced that the Mexican-American War effort was wrong. C. It confirms that Lincoln's belief in the wisdom of entering a war was formulated on the basis of what is good for a united country. D. It suggests that Lincoln's opinions on the Mexican-American War were not based solely on a belief in unification. E. It illustrates that opponents of United States foreign policy within the federal government convinced Lincoln to enter the Civil War.