The Democratic Republic of Congo is the second biggest and fourth populous country in Africa with 70 million inhabitants, and its area is nearly equal to that of the Western Europe. Nevertheless, it has been troubled by almost continuous civil war for over 15 years which has been one of the bloodiest conflicts since the Second World War, and is often called "Africa's First World War". Since its beginning in 1997, this conflict has claimed more than 5 million lives. The causes of the conflict are varied, however, the most significant cause is the ethnic differentiation in the country and also the rich natural resources which can be found in DRC. However, this conflict highly influenced the development in the DRC.