How did the excommunication of emperor leo the third effect the roman empire during the eighth century?

During the 1750s, before the industrial revolution, why did most people see little of the world?

Which one of the following is true of jamestown? sir francis drake founded the settlement in 1619. o john smith was responsible for introducing tobacco. o black slaves were brought to jamestown in 1619.

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.