# data[].attributes.body
Definition: a nation at war with another nation
Historical Importance: Germany was a belligerent nation, so when it was in a two front war with Russia and France and wanted to go through Belgium to force France out, there were problems. Germany ended up going through Belgium, who was neutral, anyway. This of course caused problems between Germany and Belgium and its alliances.

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Definition: a harmful threat from one party to another, which will be enforced if the one party doesn't agree
Historical Importance: Austria-Hungary gave Serbia an ultimatum that Serbia didn't agree to. This led to Austria-Hungary declaring war on Serbia and ultimately led to the whole world entering a war due to alliances.

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Definition: the movement to unify all Slavic speaking nations
Historical Importance: Pan-Slavism was an important part of nationalism, which was one of the main causes of World War I. There were many different cultures among the nations, which increased tensions among them.

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Definition: military drafts
Historical Importance: Conscriptions were used in militarism to get people to serve in the army/military during World War I.

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Definition: the process of making troops and supplies ready for war
Historical Importance: Mobilization was an important part of militarism, which was one of the main causes of World War I.