USA HISTORY

Detailed explanation-1: -Wars usually begin due to a dispute between nations and break out because governmental leaders cannot solve their problems peacefully. Most leaders try to avoid war, but there are many instances of bellicose individuals enthusiastically seeking out armed conflict.

Detailed explanation-2: -More specifically, some have argued that wars are fought primarily for economic, religious, and political reasons. Others have claimed that most wars today are fought for ideological reasons.

Detailed explanation-3: -The war started mainly because of four aspects: Militarism, Alliances, Imperialism and Nationalism.

Detailed explanation-4: -These fundamental or primary causes of war explain why war repeatedly occurs in international politics, why war can occur at any moment. Thus scholars trace war to human nature, biological instincts, frustration, fear and greed, the existence of weapons, and similar factors.

Detailed explanation-5: -The main causes of World War 1 were alliances between countries, militarism, nationalism, imperialism, secret diplomacy, and internationalism. The assassination of Archduke Franz Ferdinand, heir to the throne of Austria-Hungary, by Gavrilo Princip in Bosnia is widely accepted as the starting point for World War I.