War, sometimes, is the tool to solve problem of population explosion, resource allocation, economic development, social contradictions and etc.
That is what happening in places such as the Middle East, Maghreb and the Sub-Saharan Africa. Uncontrolled population explosion leads to warfare and suffering. It is a never-ending cycle. Perfect examples are Yemen, Libya, Iraq, Syria.etc. The warfare encourages even more population growth, and the decline in the standard of education.