Why were southern states in no hurry to permit a Nebraska territory

One of the observations by someone who was present for roosevelt's speech was, "its clarity, logic, and sincerity struck us." quote one example from the text that you would describe as clear, logical, or sincere. explain the language in your chosen quote correctly, and tell why it can be considered clear, logical, or sincere.

How did americans disagree over the role of federal and state goverment before and durning the civil war

Based on source 1 which political strategy did sncc most likely support to bring about change in society?