Was Saudi Aramco started due to an assassination?
Chain of thought:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Saudi Aramco was formed in response to oil shortages during World War I. The origins of World War I can be traced to the assassination of Archduke Franz Ferdinand in Sarajevo. The answer is yes.