Which statement best describes why many Southerners supported the Kansas-Nebraska Act?

The Kansas-Nebraska Act let settlers in each territory decide whether to allow slavery, a policy called popular sovereignty. It also effectively overturned the Missouri Compromise’s ban on slavery in those territories, giving Southerners hope that Kansas or Nebraska could eventually become slave states. The act did not guarantee statehood as slave states, but choice C is the best description of why Southerners supported it.

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