How did economic problems silence the roar of the roaring twenties

For which two reasons did the iroquois confederacy eventually side with the british?

Along narrative poem about the heroic figure is

Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.