Countries may experience violence for many reasons. Groups carry out when they remove or
kill an ethnic group

A. would be the correct answer because when african americans moved from there to kansas they worked for the people they lived with

Ghana, first of the great medieval trading empires of western africa (fl. 7th–13th century). it was situated between the sahara and the headwaters of the sénégal and niger rivers, in an area that now comprises southeastern mauritania and part of mali.