President Polk's claim that "American blood [had been shed] on the American soil" referred to news of an armed clash between Mexican and American troops near

President Polk's claim that "American blood [had been shed] on the American soil" referred to news of an armed clash between Mexican and American troops near





A) San Francisco.
B) the Nueces River.
C) Santa Fe.
D) the Rio Grande.
E) San Antonio.



Answer: D


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