The United States will conquer Mexico but it will be as the man who swallows the arsenic which brings him down in turn. Mexico will poison us.” Ralph Waldo Emerson

How does the quote from Emerson reflect the view of those who opposed the Mexican War?
a. Many citizens believed it would trigger a battle over the expansion of slavery.
b. Congress believed it would increase the power of the U.S. president.
c. Congress believed any territory won in the way would be too hard to govern.
d. Many business leaders believed it would damage trade relations between the two countries.