Which two countries controlled key african ports for repairing and supplying ships? a. great britain and spain b. netherlands and spain c. spain and portugal d. portugal and netherlands

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.

Did the both the us and ussr have atomic weapons after 1949

Why did the skill of writing disappear from mycenaean society