To understand developing countries and their goal of identification, it can be said that “The great battlefield for the defense and expansion of freedom today is the entire southern half of the globe, the lands of the ascendant peoples. Their revolution is the greatest in human history. They seek an end to injustice, tyranny and exploitation. More than an end, they seek a beginning” John F. Kennedy 1961. Southern or third world countries are; “group of countries that have colonial histories and are in the process of developing economically and socially from a status characterized by low incomes, dependence on agriculture, weakness in trade relations, social deprivation for large segments of society, and limited political and civil liberties ( Smith, 1996, p:1). However, third world countries can be considered developing countries in terms of the influences and effects that the greater power by which they were governed had on them and their nation. In this article, some of the reasons for the failure of nation states during the 20th century will be mentioned and discussed, taking Somalia as an example. As far as the third world is concerned and according to the Peace Fund, a failed institution; State failure has many multidimensional indicators, which are: socially what they are; high rate of increasing demographic pressures, mass movement of refugees or internally displaced persons, legacy of revenge-seeking group grievances or group paranoia, chronic and prolonged human flight. From an economic point of view: uneven economic development along the lines of the group, strong and/or severe economic decline. Politically: criminalization and/or delegitimization of the state, progressive deterioration of public services, suspension or arbitrary application of the rule of law and widespread abuse of human rights, security apparatus functioning as a "state within a state", rise of