World War I possessed a plethora of causes and ramifications until its introduction and climax. To examine this importance, we must dissect the historical circumstances that resulted in the war, such as nationalism, militarism, etc. Secondly, we will identify the important people and all their relationships in this matter. In addition, we will examine the involvement of the United States in the war and the investigation into the delay in the development of European affairs. Finally, we will identify and conclude the immediate and long-term effects of the US-led war in terms of materiel, civilian life, strategy, finances, etc. Just as pre-revolutionary governments hint at intricacies before creating a climax within themselves, wars begin with themselves. After the assassination of Archduke Franz Ferdinand of Austria, the crisis of July 1914 followed. It was the diplomatic conflict between the great European powers that led to the war. Primarily, Austria-Hungary sent an ultimatum to Serbia stating that "the Serbian government should agree to an Austro-Hungarian investigation into the assassination" and "suppress all anti-Austrian propaganda and take measures to root out and eliminate the organizations terrorists within its borders. » (“Austria-Hungary issues an ultimatum to Serbia.” 1). It was July 23 at 6 p.m. (L. Albertini, “The origins of the 1914 war” 2). Despite this, the ultimatum represented a huge conflict for Serbia and when the country successfully appealed to Russia, the war began three days after Serbia declared that it would accept all conditions, exception of internal investigations. Second, beyond the countless lives of soldiers who perished in the war. misfortunes of war and hold immeasurable significant immensities...... middle of paper ......m/this-day-in-history/austria-hungary-promises-ultimatum-to -serbia>. Crisis of July 1914(2) L. Albertini, The Origins of the War of 1914S.B. Fay, The Origins of the First World War. Geiss, July 1914(3)SparkNotes Publishers. “SparkNote on the First World War (1914-1919).” SparkNotes.com. SparkNotes LLC. 2005. Tue April 15, 2014. (4) Timeline of the First World War (Timeline of the First World War) http://www.historylearningsite.co.uk/timeline_of_world_war_one.htm Timeline of the First World War (5) McGeehan , John and Morris Gall. “Reform in America.” Let's review: United States history and government. 5th ed. Hauppauge, NY: Barron's Educational Series, 2012. Print.(6) “The Economy of the First World War.” The National Bureau of Economic Research. Np, and Web. . http://www.nber.org/digest/jan05/w10580.html(7) “American Reconstruction in the 21st Century.” Florida Edition. McDougal Littell, 2005. Print.