According to Aristotle, the events of a tragedy are connected through cause-and-effect relationships. A cause-effect relationship<span> is a </span>relationship<span> in which one event or </span>cause<span> makes another event happen. </span>Hence, <span>the events of a tragedy are connected through the plot. Tragedy only happens when there is something wrong,so the plot in dictionary is described as </span><span>a plan made in secret by a group of people to do something illegal or harmful.</span>
North Africa and West Africa had limited trade because of Sahara until the Camel became domesticated, they started to trade. The only way they traded was from the Atlantic coast which was long journey.