What kind of religion did the ancient egyptians practice? describe at least one way that their religion was tied to agriculture

 Egyptian religion was based on polytheism.  
 Which is just a fancy way of saying they had a bunch of deities they worshiped. Later some became Christians and were called Copts. Islam came later.

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.