When did African Americans have the right to vote?

1.who controls fascism government? 2.who controls communism gov? 3. how do they stay in power

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.

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f