There had been multiple competing agendas leading up to the summit , with Southern European members concerned with security in North Africa and the Middle East and the European migrant crisis and Eastern European members concerned more about Russia ′ s policies . There was also concern about the Russia – Turkey relationship . Donald Trump , the President of the United States , urged the NATO members to meet the 2014 agreement to seek to spend at least two percent of their gross domestic product on defense . According to at least one senior White House official , Donald Trump had expressed interest in inviting Russia to the G7 summit and was considering leaving the NATO alliance . During the opening ceremony of the new NATO headquarters building , President Trump gave a speech which did not mention Article 5 of the North Atlantic Treaty , surprising H. R. McMaster , the National Security Advisor , James Mattis , the United States Secretary of Defense , and Rex Tillerson , the United States Secretary of State , who had approved a different speech that explicitly included the collective security commitment
G7 summit
43rd G7 summit
2017 Brussels summit