Recall that the Russian Federation sent a request to the United Nations for extension of the continental shelf in the Arctic due to the addition of the Lomonosov Ridge and other entities that have continental nature. The Russian Federation expressed its claim to the territory rich in hydrocarbons.
In turn, the US State Department reported that Russia's actions comply with international practice and stipulated by the UN Convention on the Law of the Sea. These arguments are not satisfied with congressmen from the Republican Party, who saw in the actions of Russia "aggressive pushing of claims to the Arctic." So, Senator Dan Sullivan said: "Russia is playing chess in the Arctic, and our administration still thinks it's tic-tac-toe."
The House Committee on Natural Resources saw "the fruit of failed energy policies of the presidential administration." In Russia’s bid. "Obama gave a clear signal to the world that has been correctly interpreted by the Russian side that the US prefer to be weak on the issue of energy development", - reported in the department.