WP: the Saudi prince threatened to break off the relations from United States of America because of disputes on oil production

The crown prince Saudi Arabia Muhammad ibn Salman al Saud threatened United States of America with "serious economic consequences" if they take the answer-back measures against reduction oil production. About it writes newspaper "The Washington Post" (WP) with reference to the classified document of the American investigation which has got to open access as a result "leakages of the Pentagon". According to the document, in private conversation of ibn Muhammad ibn Salman al Saud threatened to change radically the relations between United States of America and Saudi Arabia, and also to force Washington D.C. to go to "considerable economic costs". Besides, the prince declared that will not deal any more with...