Oil prices slipped on Monday as the U.S. did not exert more pressure on Russia to end the Ukraine war by implementing further measures to disrupt Russian oil exports after the presidents from both countries met on Friday.

U.S. President Donald Trump said he and Russian President Vladimir Putin did not reach a deal to end Russia’s war in Ukraine after talks in Alaska on Friday, as the two leaders offered scant details on what was discussed but heaped praise on one another.

In President Donald Trump’s warm red-carpet greeting at the Alaska summit, Russians saw an opening to pull America away from its traditional allies in Europe.