one major effect of the oil crisis of 1973 on world affairs was a brief global economic depression. Thus the correct answer is C.
An oil crisis might be caused by a lack of surplus production capacity, which causes demand to exceed supply, and a rapid expansion of the global economy, which would increase oil consumption.
The incident impacted international relations and caused a divide within NATO. A worldwide oil crisis might risk economic stability. It has changed the spending capacity of consumers due to a lack of flow of funds.
Therefore, option B brief global economic depression is appropriate answer.
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