Why did the spanish begin to use africans as slaves and what were the results of this decision?

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

Which statement describes an important outcome of the congress of vienna? a. napoleon launched his final european military campaigns. b. european states had their borders clearly defined. c. jewish people were given equal right in germanic states d. the slave trade became increasingly important to european economies.

Other in the u.s. supreme court, all federal courts were established bya. the constitutionb. congressc. presidential executive orderd. the states