Answer:
It helped them to interact easily through activities such as trade and land buying and selling. This fact led to inter region marriages , suportin ech other i n time of need and foration of basic political bonds thus a change in there sociallives
It’s a mix bantu and arabic
C. Ellen’s fiance defeats lochinvar in armed battle
One reason is it helped promote exploration.
Another is communication was faster.
And people learned more about exploration.