What position in germany’s government was adolf hitler elected in 1933

Which statement best summarizes the origins of world war ll

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.

Who was the first present of the united states