Translate the following English sentence to French:
"The short supply of oil has been exacerbated by the sanctions against Iraq, the unjust and immoral continuation of which may be in the interests of the American oil companies but is contrary to the interests of Europe."
La raréfaction de l'offre est aggravée par le blocus irakien, dont la poursuite immorale et injuste est peut-être conforme aux intérêts des pétroliers américains, mais contraire à ceux de l'Europe.