How did the geography of africa affect the value of trade goods

Africa is a large continent and remote location is common in every african country. There are deserts, jungle and mountains. These reduce the hability to supply large cities inland. Because of the geography of the land, it is harder to import and export goods, thus leading to stock prices of goods to go up.

Unfortunately, this question is made for an opinion, so you'll have to answer based on your experience.. for the