Aftermath of World War I Slovenians made strong claims on some German-speaking territories. The result was treaties that compromised many ideals, offended many allies, and set up an entirely new order in the area. Many people hoped that the new nation states would allow for a new era of prosperity and peace in the region, free from the bitter quarrelling between nationalities that had marked the preceding fifty years. This hope proved far too optimistic. Changes in territorial configuration after World War I included: These changes were recognized in, but not caused by, the Treaty of Versailles. They were subsequently further elaborated in the Treaty
Bulgaria during World War I rebellion and the proclamation of a republic by the rebellious troops at Radomir. Bulgaria, forced to seek peace, accepted an armistice with the Allies on 30 September 1918. For the second time in half a decade, the country found itself in the midst of a national catastrophe. Tsar Ferdinand I assumed responsibility for his country's foreign-policy and military failures and abdicated in favor of his son Boris III on 3 October 1918. The Treaty of Neuilly (1919) marked the formal conclusion of Bulgaria's participation in World War I. Stipulations of the treaty included the return of all occupied territories, the