What were some of the challenges the allied forces faced in north africa?

The battle for North Africa was a struggle for control of the Suez Canal and access to oil from the Middle East and raw materials from Asia. Oil in particular had become a critical strategic commodity due to the increased mechanization of modern armies. Britain, which was the first major nation to field a completely mechanized army, was particularly dependent on the Middle Eastern oil. The Suez Canal also provided Britain with a valuable link to her overseas dominions–part of a lifeline that ran through the Mediterranean Sea. Thus, the North African campaign and the naval campaign for the Mediterranean were extensions of each other in a very real sense.