“If Iran wishes - and there is only one decision-maker in the country - then its oil will return to world markets again, and part of the sanctions will be lifted.
However, so far we have not seen Iran embark on this path, ”she said during a forum at the Aspen Institute.
Her words are quoted by RIA Novosti.
At the same time, if Iran refuses to return to the nuclear deal, Washington will increase pressure on the republic, Nuland added.
In early July, the US imposed sanctions on 13 companies, two offshore tankers and two individuals linked to Iran's oil sector.