What event, more than any other led to wwi?

While there was much buildup pre-World War I, it is commonly understood that the assassination of Archduke Franz Ferdinand on 28 June 1914 in Sarajevo pushed the world to war as a result of a complex web of treaties and diplomatic obligations that quickly were triggered and resulted in sides being chosen.

briefly explain support for the argument that the articles of confederation succeeded in guiding the us through its first decade

northwest ordinance: