Answer: Whether or not to permit slavery.
Context/details:
The Kansas-Nebraska Act enacted by Congress in 1854. It granted popular sovereignty to the people in the Kansas and Nebraska territories, letting them decide whether they'd allow slavery. In essence, this made the Kansas-Nebraska act a repeal of the Missouri Compromise of 1820, which had said there would be no slavery north of latitude 36°30´ except for Missouri.
After the passage of the Kansas-Nebraska Act, pro-slavery and anti-slavery settlers rushed into Kansas to try to sway the outcome of the issue, and violence between the two sides occurred. The term "bleeding Kansas" was used because of the bloodshed.
The gothic period lasted from mid-12th century<span> to as late as the end of the </span><span>16th century, so I would assume that it peaked in the mid 12th century!
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Two major <span>push factors that could influence immigration are the availability and quality of jobs in the new territory in question, and persecution (religious, social, etc) in the territory from which people are emigrating from. </span>
