Which country relies on primary economics activities

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 true about the monroe doctrine?

¿how a native american might have responded to jackson's policy to move native americans east by force? use these words in your treaty, trail of tears, supreme court.