Nationalism and the Wars in the Twentieth Century

Nationalism has a predestined relationship with the wars in the 20 century. However various types of nationalism , at different stages or in different countries, played different roles to a specific war. The malignant expansion of the nationalism in imperialism countries resulted in the two World Wars. After the two World Wars, the nationalism in the Third World leads the world to frequent post -War local conflicts and part wars. It has been a chief factor for world turbulence and threats to world peace.