Coordinating policies to help growing nations handle their debt, in addition to selling funding for the least developed, is significant for sustainable development and development. To maintain the pegged rate, the Fed was compelled to give up management of the dimensions of its portfolio in addition to the cash inventory. Conflict between the Treasury and the Fed came to the fore when the Treasury directed the central bank to keep up the peg after the beginning of the Korean War in 1950. OPR is a controversial rule inside the trade and within the SEC itself.