How did the Mexican-American War ultimately deepen sectional divisions in the United States?

Question

Quizplus · Accepted Answer

The new territories acquired from the Mexican-American War, such as California and New Mexico, reignited the debate over whether or not to allow slavery into these areas. The South argued for the extension of slavery into these territories, while the North argued against it. This debate ultimately deepened sectional divisions and played a major role in the lead up to the Civil War.

How Did the Mexican-American War Ultimately Deepen Sectional Divisions in the United