SRL for [intervened]: Testifying before a House subcommittee , Mr. Mulford said that if the Treasury had n't [intervened] in foreign - exchange markets in September and early October to reduce the dollar 's value , the plunge in the stock market might have provoked a steep fall in the currency that might have `` unhinged financial markets . ''
ARG-0: the Treasury | ARG-M-NEG: n't | ARG-1: in foreign - exchange markets | ARG-M-TMP: in September and early October | ARG-M-PNC: to reduce the dollar 's value