Causes of World War One World War I is probably one of the biggest wars that contained so much “chain reaction”. One feels threatened, they ally with their friends, and another nation feels threatened, so they ally with their friends. The feeling of threat leads into invasions then leads into their allies helping and invading and pretty soon, more allies come from both sides. Some would argue that the assassination of a leader in Europe …showed first 75 words of 1056 total…

…showed last 75 words of 1056 total…countries take sides. Militarism created a stupid and childish conflict and competition among countries to compete each other and fight each other. Imperialism started conflicts on who controls what and who gets to control which country. Finally, the Alliance System started two groups and played a role of a ‘gang fight’ where one would fight and their “backups” join in on the fight. It is very sad that such reasons were the cause of war.