Which played a significant role in the success of west african civilizations? a.) the hajj b.) the gold-for-salt trade c.) the development of agriculture d.) firearms

The  gold- for-salt  trade (Answer B) played  a  significance  role  in  success  of  west African  civilization. The  civilization  of  west Africa  was  based  on  trade .The  gold   was  the  main  commodity  in  trans   saharan  trade.  traders  used  to  exchange gold  for  something  west  African  prized  more  example  salt.