Aspects of plantation agriculture at east African coast during the time of seyyid said

Why was the battle of gaugamela an important turning point in alexanders conquest of persians empire

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.

How did americans disagree over the role of federal and state goverment before and durning the civil war