What Homer Plessy did to bring about the Supreme Court case Plessy V Ferguson?

Yo i need a catchy title for an article about the importance of the fourth amendment

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 is not an abundant natural resource found in africa?