United States History Question of the Day

Monument honoring the heroic Mexican cadets
in Chapultapec Park, Mexico City
(Source:Wikimedia
Commons--public
domain)
Question 01004:
Which of the following statements is not true of the Mexican-American War?
I. Before an 1846 Texas-Mexico border dispute, President
Polk had sent a delegation to Mexico City in an attempt to purchase
California and New Mexico
II. Mexican General Santa Anna, who had been disgraced and
exiled for his actions in the Texas independence fight, was brought out
of exile and resumed his position as President of Mexico
III. A group of Irish-American soldiers defected to the Mexican side
and formed the San Patricio Battalion
IV. General Zachary Taylor's forces outlasted Mexican troops while
greatly outnumbered at the battle of Buena Vista
(A) I, II, and IV only
(B) II, III, and IV only
(C) I and III only
(D) I, III, and IV only
(E) all of the statements are true