Twenty five years ago, on September 11, 1990 then US president George H.W. Bush declared the United States the "sole superpower"; however, times have indeed changed for Washington since then, American-German economic researcher and historian F. William Engdahl emphasizes. According to the historian, the most irrefutable evidence of Washington's
‘Sole Superpower’ in Decline: US Losing Its Grip on the Middle East
Washington has lost its strategic influence in the Middle East, writes F. William Engdahl, adding that the Collective Security Treaty Organization (CSTO) has acquired a new meaning in light of the Syrian crisis.