Final answer:
During World War I and beyond, countries secured access to oil by buying a majority stake in oil companies, such as Royal Dutch Shell's purchase of the Anglo-Persian Oil Company (now BP).
Step-by-step explanation:
The subject of this question is History.
During World War I and beyond, several countries sought to secure access to oil, which was becoming an increasingly important resource. One of the strategies used was buying a majority stake in oil companies. For example, Britain's Royal Dutch Shell purchased a majority stake in the Anglo-Persian Oil Company (now known as BP) to ensure a steady supply of oil. This allowed them to have control over the production and distribution of oil, which was vital for their war efforts and future economic interests.
Keywords: World War I, oil, secured access, buying, majority stake, Royal Dutch Shell, Anglo-Persian Oil Company, BP
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