NOT KNOWN FACTUAL STATEMENTS ABOUT WORLD WAR-1

There was also conflict within the Italian entrance, the Balkans, the Middle East, and lesser struggles in colonial holdings in which the warring powers bordered each other.请协助補充参考资料、添加相关内联标签和删除原创研究内容以改善这篇条目。详细情况请参见讨论页。Hamilton argued that, generally speakin