Who spoke out against the acquisition of the Southwest following the Mexican-American War?

James Polk

James Slidell

Winfield Scott

Ralph Waldo Emerson

The correct answer is: Ralph Waldo Emerson spoke out against the acquisition of the Southwest following the Mexican-American War.

Ralph Waldo Emerson was an American essayist, lecturer, philosopher, and poet who led the transcendentalist movement of the mid-19th century. He was seen as a champion of individualism and a prescient critic of the countervailing pressures of society, and he disseminated his thoughts through dozens of published essays and more than 1,500 public lectures across the United States.

Ralph Waldo Emerson against the acquisition of the Southwest following the Mexican-American War. Option four is correct.

Ralph Waldo Emerson was an American essayist, lecturer, philosopher, and poet, head of the transcendentalist movement of the mid-19th century.

He moved away from the religious and social beliefs of his contemporaries, developing and conveying the philosophy of transcendentalism in his 1836 essay "Nature".