Maintaining the use of the USD as default fiat currency for key commodities which in turn implies geopolitical leverage through access to USD and the banking sy

Maintaining the use of the USD as default fiat currency for key commodities which in turn implies geopolitical leverage through access to USD and the banking system which supports it, with participation in this state of affairs defining what is and is not the 'accepted' system. See also: BRICS & recent political turmoil in Brasil, Ukraine