Intervention in civil wars ‘far more likely in oil-rich nations’

"The researchers drew their conclusions after modelling the decision-making process of the third-parties’ interventions. This assessed a wide range of factors such as their military power and the strength of the rebel army, as well as their demand for oil and the level of supplies in the target country. It found that the decision to intervene was dominated by the third-party’s need for oil, far more than historical, geographic or ethnic ties."