"I see this as an acknowledgement and an evaluation of Russia's efforts to develop a comprehensive strategic partnership with China", he said, making only passing mention of "our personal friendship".
Trump said in Washington as he was departing for the summit in Canada.
Russian Federation was expelled from what had been the G-8 in 2014 following its annexation of Crimea.
For its part, Russian Federation allows China to show the USA that it has "other options" in global negotiations, she said.
The president has repeatedly threatened to terminate NAFTA, the North American Free Trade Agreement, unless it's revised.
According to Sputnik News, Kremlin spokesman Dmitriy Peskov responded to Trump's call for reinstatement, saying, "Russia is focused on other formats, apart from the G7".
Other members of the Group of Seven are France, Italy, Japan, Germany and Britain.
Russian Federation and China have responded to the USA national security strategy describing them as America's top adversaries by vowing to further expand their economic, political and military cooperation.
In the U.S., special counsel Robert Mueller is investigating whether Trump's campaign colluded with Russian Federation in a bid to sway the 2016 presidential election in his favor.
At last year's G7 summit in Sicily, the leaders all signed a communique, but the statement made clear there were deep differences on the Paris climate change accord.
"We need the president to be able to distinguish between our allies and adversaries, and to treat each accordingly". Putin is set to stay in the country till June 10, taking part in a summit of leaders of Shanghai Cooperation Organization member-states.
Just after 6 a.m., Trump used the social media platform to accuse Canada of charging US customers astronomical tariffs on dairy products.
"We are pro-Italian, not pro-Russia", Di Maio told a radio interviewer, while stressing that Conte would make his own decisions when representing Italy on the world stage. Trump will leave the summit early to attend a summit in Singapore with North Korean leader Kim Jong Un on Tuesday. He said the possibility of a meeting between himself and Trump was discussed "from the very beginning, meaning after Mr. Donald Trump was elected president of the United States".
The prospects of Russian Federation being readmitted to the G-7 are dim.
"We will continue to demonstrate that we're interested in defending Canadian interests and, on top of that, it turns out I'm defending American interests because these tariffs they're putting forward are going to hurt American workers as well", Trudeau said Thursday.
"My experience of communication with the USA president suggests that although his actions are frequently criticized, especially lately, including on the worldwide scene and in the economic sphere, this experience tells me after all that he is a thoughtful person who can listen to and who responds to arguments given by his interlocutor".