What part of the counrty was Popular Sovereignty used?

Question: What part of the counrty was Popular Sovereignty used!?

In the 1860 what part of the counrty was Popular Sovereignty used in!?Www@QuestionHome@Com

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Popular Sovereignty as a method for allowing slavery was in use in the territories of Kansas and Nebraska as a provision of the Kansas-Nebraska Act of 1854, with disastrous results, pushing the country closer to civil war!.Www@QuestionHome@Com