The meeting came at a time when the United States needs Russia's help in Syrian issue and towards the Democratic People's Republic of Korea (DPRK).

"Each issue is at a delicate stage and it would be good if there were conversations between the two countries on how to move forward," West said, noting that the meeting lasted far-longer than initially anticipated.

"That probably means they were able to address several different issues," West said of the lengthy closed-door meeting.

But at the same time, there was no agreement on how to tamp down growing tension on the Korean Peninsula, which is a key concern of the White House and U.S. allies Japan and the Republic of Korea (ROK).

The United States and Russia view the issue differently, with Russia wanting the DPRK to freeze its nuclear program where it is, while the White House wants Pyongyang to cease and roll back the program entirely. The DPRK maintains it will not give up its nuclear program.

Dan Mahaffee, senior vice president and director of policy at the Center for the study of the Presidency and Congress, told Xinhua that this was a longer negotiation that might reflect a larger desire by Putin to drive a broader, global discussion about U.S. and Russian interests and spheres of influence.

"While details are sketchy, it does appear that Trump does want to further cooperation with Russia in terms of combatting terrorism," Mahaffee said.

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