What tribe in Mali attributed "power" to the spoken word? How did they do this; explain.

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.  

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves