Which is an example of a citizen's responsibility

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.

Need ! how did sumner define liberty in the book of "voices of freedom"

The map shows england and france in 1430. which statement most accurately summarizes the information provided by the map? england was sure to defeat the french in battle. england occupied land on the european continent. france was about to invade the british isles. france was more powerful than england.