This was reported on the website of the State Department.

"(At the meeting, the State Department adviser. -

RT

) discussed general concerns about the Nord Stream 2 pipeline," the publication says.

As part of the trip, the American diplomat met with Deputy Foreign Minister of Poland Martin Przyach, Secretary of State for Strategic Energy Infrastructure Piotr Naimsky and Chairman of the Polish Senate Tomasz Grodsky.

A spokesman for the Polish government, Peter Müller, said earlier that Warsaw had opposed Nord Stream 2 from the very beginning, enjoying the support of the United States for many months.

The United States and Germany previously reached an agreement on the pipeline project.

They say that "if Russia tries to use energy as a weapon," the FRG, in turn, "will insist on effective measures at the European level, including sanctions" to limit the possibilities of Russian exports to Europe.