What was the purpose of the forward atlanta commission

Sea exploration became important during the late middle ages because europeans most likely wanted to

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 does the pyramid of giza include art, science, math, or a need for infrastructure?