After the First World War the architects of the peace redefined the nation-statehood of Eastern and Southern Europe as well as of the Middle East. The Second World War re-shaped the nation-statehood of Europe but left intact the still unstable nation-states of the Middle East.
Al-Qa'eda and the Muslim jihad is the resultant of that WWI peace treaty. The terror war is the Middle East’s version of WWII. In the end, the nation-states of the Middle East will be reshaped.