What untended consequences did the dividing up of africa by the berlin conference have for future africa nations

Boundries were established at the Berlin Conference of 1884-5 in the form of 50 different geographical regions. Many of the borders established in this conference are still in existence today creating conflict amongst the peoples of decendants trying to stake claims to once belonged to their ethnic groups creating sometimes deadly conflicts in recent years. The main fighting is because of the vast amount of natural resources. 

The 14 European powers that held this conference had no considerations of the peoples of Africa. These new lines created havoc when these new lines split ethnic groups and communities