The US has profited from a longstanding alliance with the Sunni bloc. In addition to the strategic advantages, America’s close ties with the oil sheikhdoms – which are among the world’s leading holders of foreign-exchange reserves – contribute to propping up the dollar.
再者，区域地缘政治中以土耳其、沙特阿拉伯，卡塔尔和阿联酋为首的强大 “逊尼派新月”对伊朗、伊拉克，叙利亚和黎巴嫩等“什叶派新月”国家展开了围攻。美国从与逊尼派集团的长期联盟中获益良多。除了战略优势之外，美国与这些石油酋长国（也是世界上外汇储备最为庞大的一些国家）的亲密关系也为美元撑了腰。