Which group was most likely to support the Mexican-American War?

Southerners who wanted to expand slavery had a strong reason to support the war: victory could bring new territory where slavery might be allowed and new slave states could be formed. Many Northern Whigs opposed the war, while Indigenous peoples in the affected Mexican territories were unlikely to support a conflict that threatened their lands and communities. The best answer is A, Southerners who wanted to add new slave states.

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