Peace treaty the United Nations headquarters. Famous examples include the Treaty of Paris (1815), signed after Napoleon's defeat at the Battle of Waterloo, and the Treaty of Versailles, formally ending the First World War conflict between Germany and the Western Allies. This is held to have ended World War I completely, but in fact that did not happen until the Allies concluded peace with the Ottoman Empire in 1920 through the Treaty of Sèvres. The Versailles treaty is possibly the most notorious of peace treaties, in that it is "blamed" by many historians for the rise of National Socialism in Germany and
French Army in World War I 1870, and later struggled with France over mineral-rich Morocco. Another cause of World War I was growing militarism which led to an arms race between the powers. As a result of the arms race, all European powers were ready for war and had time tables that would send millions of reserves into combat in a matter of days. France was bound by treaty to defend Russia. Austria–Hungary had declared war on Serbia due to the Black Hand's assassination of Archduke Ferdinand, which acted as the immediate cause of the war. France was brought into the war by a German declaration