/Identify Popular Sovereignty, Kansas-Nebraska Act, David Atchinson, John Brown and Bleeding Kansas. Explain how these terms relate to each other.

Known as the Kansas-Nebraska Act, the controversial bill raised the possibility that slavery could be extended into territories where it had once been banned. ... Its passage intensified the bitter debate over slavery in the United States, which would later explode into the Civil War.

Explanation:

everything is here

according to my research (britannica and quizlet) the first settlements were along the huang river because it could give the crops more fertile soil that really it out. this was due to the yellow slit caused by floods of the river.