President Donald Trump signed an Executive Order last week for a six-month review of U.S. support to all international intergovernmental organisations to decide whether it should withdraw from them, or seek their reform.
S&P said the current triple-A ratings of the World Bank and other top development banks assume the U.S. remaining in place. Therefore, if Washington were to “limit” its support, any rating change that came as a result of that was likely to be “negative”.
https://finance.yahoo.com/news/p-global-warns-unprecedented-u-122137813.html