Period 5: 1844-1877:
Key Concept 5.2.II.B: "The courts and national leaders made a variety of attempts to resolve the issue of slavery in the territories, including the Compromise of 1850, the [BLANK] [BLANK] [BLANK], and the Dred Scott decision, but these ultimately failed to reduce conflict."
Proposed by Illinois Senator Stephen Douglas, the Chairman of the Senate Committee on Territories, it sought to provide organized governments in the middle section of the North American continent, creating a Chicago-friendly route for a proposed Transcontinental Railroad. What three words fill in the [BLANK] [BLANK] [BLANK] above?
Kansas-Nebraska Act