What was the bloodiest single day of the civil war?

Which native american tribe allied with the spanish?

Tension between the british and boers was caused primarily by what things?

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.