The correct answer is the Utah territory. This was done as a compromise on allowing new states into the union. The states in the region actually did support slavery and the vote passed even though it had been previously forbidden. This was because it was in the south where slavery was a common thing.
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Answer:
Maybe some 300,000 or 400,000. Covering an average of 15 to 20 miles.
Explanation:
This Constitution, and the laws of the United States which shall be made in pursuance thereof; and all treaties made, or which shall be made, under the authority of the United States, shall be the supreme law of the land; and the judges in every state shall be bound thereby, anything in the Constitution or laws of any State to the contrary notwithstanding.