Answer:
One of the most important causes of war due to nationalism is when nationalist leaders pursue policies of ‘recovery’ in order to incorporate ethnic or national groups outside of their state’s borders into the nation state. An example of this is the Nazi desire to incorporate all German-speaking peoples into the großdeutschland (‘Greater Germany’), an idea planned in Hitler’s ‘Mein Kampf’ he emphasised the extreme Nationalist goals which shaped Nazi policy by determining that ‘people of the same blood should be in the same Reich [referring to the Nazi nation state]’ The Nazi leadership under Hitler implemented this desire for a unified German nation through the occupation of the Sudetenland (part of Czechoslovakia) in October 1938. Hence the more hegemonic and assertive a nationalist state or group, the more likely they are to use violence to achieve their aims, increasingly the likelihood of war. This is the most dangerous strain of nationalism that has been associated with the destructive wars of the twentieth century.
Step-by-step explanation:
Nationalism has been closely associated with the most destructive wars of human history; the revisionist states responsible for initiating both the First and the Second World Wars have historically been examined as the epitome of the dangers of nationalism. However, it must be noted that whilst there is a great deal of academic literature surrounding nationalism as a social and political phenomenon, there is little concerning the causal link between nationalism and war, scholars often taking the ‘war-causing character of nationalism for granted’
Direct causality can be drawn between nationalism and war. The greater the number of stateless individuals who hold nationalistic sentiments, the greater the likelihood of war. This is dependent on whether they contain the strength to challenge the existing state.