Explain why the South was interested in the western territories.

Organized to stop the spread of slavery into the western territories (borrowed this idea from the Free Soil Party). Southerners, however, realized that this party's view on slavery was a long-term threat to their way of life. "Bleeding Kansas" Popular sovereignty and the Kansas-Nebraska Act did not work well at all.

Explanation: uwu

a countries leader should be motivated by the common good of the country.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.