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How did rhe transcontinental railroad effected westward migration

What did this mean for dred scott? a.scott was not a citizen of the united states. b.scott was the property of the federal government. c.scott had no right to sue for his freedom in court. d.scott was considered the property of the slaveholding family.

Use the drop-down menu to complete the sentence. rome’s first civil war began as the result of conflict between