Decolonization fundamentally changed africa during the 20th century by?

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

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.

Which of the following are requirements for serving on a federal jury?