there could also be measures targeting russia s sovereign wealth fund or restrictions on banks converting roubles into foreign currency which would hurt the country s ability to operate in financial markets. speaking to american television, the us secretary of state, antony blinken said imposing sanctions now would undercut the west s negotiating position. the most important thing we can do is to use them as a deterrent, as a means of dissuading russia from engaging in further aggression. dissuading russia from engaging infurtheraggression. 0nce in further aggression. 0nce sanctions infurtheraggression. 0nce sanctions are triggered, you lose the deterrent effect. so what we are doing is putting together a whole series of