The U.S. does not negotiate any concessions on the issues of conflict settlement in Ukraine in exchange for Russia's position on Iran's nuclear program, said at a press conference on Thursday, assistant Secretary of state Victoria Nuland.

"The US will never engage in such trade, among other international relations. USA really pleased with our colleagues and associates to cooperate with Russia on issues that concern Iran. But it's not a question that the Russian Federation has provided any service to US or to someone else, they did it in their own interests and, in addition, to prevent from getting nuclear weapons by Iran, " Nuland said.

Iran and the six international negotiators on the night of July 14, reached a historic agreement on the settlement of long-term problems of the Iranian atom. Months-long dialogues culminated in the joint comprehensive plan of action, the implementation of which will completely withdraw from Iran introduced before the economic and financial punishment from the UN security Council, US and EU.

the dialogues between the parties commenced over ten years ago. After the adoption in Geneva in November 2013 interim joint plan of action, discussion of the " six " and Iran was held in Vienna, Montreux, Lausanne and Geneva for many rounds, since February 2014. The final round of negotiations lasted in the Austrian capital of more than 18 days.

sections: Politics