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The alliance system was one of the last vital pieces to begin world war I because of the distrust between the nations. Secret alliances were being formed, everyone was filled with tension, and many unions felt pressured, and if one went to war, their allied partner had to aid them. It was a rickshaw effect of nation after nation falling into the battle and their allied countries following in support.

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Imperialism caused the expansion of European nations as empires. Countries like Britain and France expanded their kingdoms, which increased tensions among European countries.

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The cause of World War One! Origins: Rap Battle | WW1 Uncut - BBC

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Nationalism was one of the leading causes of world war I. It was tightly knit with militarism, another cause of world war 1. Nationalism is an ideology that emphasizes loyalty, devotion, or allegiance to a nation or nation-state and holds that such obligations outweigh other individual or group interests.

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Militarism contributed to the beginning of World War l by creating a lot of tensions among countries. This pressure and stress led countries to increase their military and allies, such as in 1870 when Germany got scared of France and formed the Triple Alliance. Or when Russia got spooked and allied with France in 1894.

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Militarism was a compelling force in world war 1. Great Britain and Germany both significantly increased their navies in this period. Further, in Germany and Russia, the military establishment influenced public policy greatly. This increase in militarism helped push the countries involved into war.

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Imperialism created a sense of competition. It drove Nations to compete for more land, colonies, and raw materials. Great Britain and Germany competed industrially, which led to these nations needing more raw materials. Also, Austria-Hungary controlled Bosnia's Slavic land, which Serbia believed belonged to them. All of this created high tension and led to world war 1.

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Before world war 1, Each country tried to compete to build the biggest army. This created a lot of rivalry and tension, making governments suspicious of each other. They wanted to test their armies and prove they were the best in a war.

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Allies were a significant contributor to world war 1; after Austria-Hungary declared war on Serbia, Russia came to Serbia's aid. This led to Germany joining the fight to defend Austria-Hungary and France and England joining to support Russia. Due to the alliance system, a battle between two nations turned into war throughout an entire continent.

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The alliance system meant that countries were obliged to help other allies, so if one declared war, the others had to do the same. Without the alliance system, WW1 would have been much smaller and probably not a world war since fewer countries would have become involved.

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Nationalism was one of the most significant issues that led to the world war because nations began to build their military And create tension between countries. Nationalism led to countries feeling supreme to each other, which led to countries not being able to trust each other and tensions at an all-time high. This fallacy led the world to world war 1.

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Nationalism created tension decades before the actual war occurred. These tensions led to the war breaking out. Also, because of the murder and Assassination of Archduke Franz Ferdinand, nationalism was at its peak. Austrians wanted justice. This tension went unresolved and dwelled until the war. Archduke Franz Ferdinand was a crucial part of the causes of world war 1.

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Imperialism is the state policy, practice, or advocacy of extending power and dominion, especially by direct territorial acquisition or gaining political and economic control of other territories and peoples. Imperialism was one of the main things that led to world war I.