He did not trust in the Italian alliance, due to the political aftermath of the Second Italian War of Independence. He felt the threat of Romania and Bulgaria after the Balkan wars and was afraid of Romanian attack from the east. He was also not sure about the stand of the Germans. Germany's stand was of ultimate importance due to the security of the state. During a conversation between Franz Joseph and Conrad von Hötzendorf, Conrad asked, "If Germany's reply is that they are on our side, do we engage in war with Serbia?" The emperor replied, "Then yes", "But what if they reply differently?", "Then the Monarchy will be alone". Kaiser Wilhelm II supported the war, promised to neutralize a Romanian attack, and put pressure on Sofia. After this, Tisza still sought a peaceful solution, but most of all he wanted to wait for the result of the official examination into the assassination. The only proposal of Tisza, which was accepted, was that the Monarchy should not annihilate Serbia completely in order to avoid Russian support for Serbia. The council finally addressed an ultimatum to the Serbian government and immediately started the mobilisation of troops. After sending the ultimatum, his view changed. The ultimatum was obsolete within 48 hours, so Tisza wrote: "it was a difficult decision to take a stand to propose war, but now I am firmly convinced of its necessity" He was, however, still opposed to the annexation of Serbia to the Monarchy, but failed. On 4 August 1914 Russia, Germany, Britain and France also entered the war, enlarging it to a world war. Tisza did not resign from the Prime Ministry, as he thought remaining in this position was the best way he could represent Hungarian interests inside Austria-Hungary, as he had connections in Vienna. Moreover, his resignation would have sent a message of weakness to the Entente at the outbreak of war. His initial opposition to the conflict, only became public after the end of World War 1, on 17 October 1918, when he spoke in the Parliament. He said, "the Monarchy and the Hungarian nation were longing for peace all the way until there were proofs that the enemy was systematically trying to humiliate and destroy us as soon as possible (...) As we have found proofs that the Serbian government took part in organising the assassination, we could not but address an ultimatum to Serbia ... where we stipulated that the war is preventive." The 57 years old Tisza joined to the 2nd Hussar Regiment of Hungary - which served on the Italian front - as a hussar colonel, and personally led his hussar units during the attacks.