American President Donald Trump criticized the United States' trade partners,including those in Europe and Canada, on Monday.Trump wrote on Twitter that the U.S. will no longer acceptwhat he called unfair trade, even from friendly countries."We must put the American worker first," he tweeted.On Saturday, he called the situation "Trade Abuse."Trump tweeted Monday from Singapore.He traveled there following the meeting in Canada of leadersof the Group of Seven major industrial nations.The G7 is Britain, Canada, France, Germany, Italy, Japan and the U.S.The leaders met in the area of Charlevoix, Quebec on June 8 and 9.The discussions were marked by disputes with the United States over trade and Russia.The United States did not agree to the G7 meeting final statement.After it ended, U.S. President Donald Trump published a tweetthat said he had told his trade representatives "not to endorse the Communique."Canadian Prime Minister Justin Trudeauspoke to reporters at the close of the meeting on Saturday.He said that Canada would order "retaliatory" measuresagainst U.S. products as soon as July 1.The Trump administration ordered taxes on steel and aluminum importsfrom Canada and other allies earlier this year.Trudeau said that Canada would "not be pushed around."Several leaders said they did not support the idea of Russiarejoining the group of economic powers.Russia was expelled after it took over Crimea in 2014.Members also say Russia continues to support separatists in eastern Ukraine.Trudeau said he was not "remotely interested" in having Russia rejoin the group.British Prime Minister Theresa May agreed.She said Russia had failed to meet the terms of the Minsk agreementsmeant to end the conflict in Ukraine.Before the meeting, Trump had voiced support for Russia taking part.On Monday, the U.S. Treasury Department announced additional economic restrictionsagainst five Russian groups and three individuals.The U.S. said they were being punished for harmful cyber activitiesand ties to Russian intelligence agencies.German Chancellor Angela Merkel told German public televisionthat Trump's withdrawal from the communique was "sobering."And, French leader Emmanuel Macroncriticized the president's refusal to sign the communiqueas harmful to international cooperation.Of the disagreements, U.S. Secretary of state Mike Pompeo said,"There are always irritants in relationships."He said he believed relations among the allieswould move forward on "a strong basis."The G7 communique called for members to work togetherto support a number of economic and social goals.It called for a commitment to a "rules-based international trading system"and called for members to continue to fight "protectionism."The statement also called for cooperationin supporting economic growth that helps everyone.In addition, the document called for preparing workersfor future jobs and for gender equality.It stated support for human rights and the rule of law.The communique also stated a desire by some membersto support the Paris agreement on climate changeand efforts to protect the environment.In 2019, France will host the G7 meeting of leaders.As the G7 leaders met in Canada,another international meeting led by China met in Qingdao, China.Members of the Shanghai Cooperation Organization include China,Russia, India and five other Asian countrieswhich meet yearly to discuss economic and border issues.