(emergency )
in a short paragraph, analyze how geography impacted trade in africa, especially in relation to the distribution of goods.

The Nile river had a big impact on trade because it served as a source of transportation.  Communities formed along the Nile were more developed.  

Salt from the desert was a reliable and profitable resource traded.

Savannas were used to grow crops and the excess from the crops were traded.

Prince henry the navigator is the man you're looking for.