Xavier is fearful of approaching new situations and often appears inhibited. xavier's father reports that he struggles with similar difficulties and he may have inherited it from her. this is an example of

Learned Social anxiety

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.