G20 member nations were still struggling to reach agreement on major issues including trade, migration and climate change as world leaders began arriving in the Argentine capital ahead of a summit starting on Friday.
Leaders of world's biggest economies will meet in Buenos Aires, Argentina on Friday and Saturday.
The outcry over arms sales, Khashoggi and Yemen is building – but will anyone at the summit in Argentina stand up to MBS?
Argentina rejects the realization of British military exercises in Malvinas.
"They do not know the resolutions of the United Nations and other international organizations," a foreign ministry statement said.
President Mauricio Macri said Monday that crisis-hit Argentina will receive additional funding from the International Monetary Fund and vowed to avoid a default.
President Mauricio Macri is seeking a deal with the IMF to accelerate a $50 billion loan program.
The new austerity measures, announced Monday, were prompted by a 16 percent slide in the value of the peso last week, bringing the local currency's losses to almost 50 percent against the dollar so far this year.
Argentina's Economy Minister Nicolas Dujovne heads to Washington on Monday to thrash out a hastily revised loan deal with the International Monetary Fund to help revive South America's second-largest economy.
Trump will participate in a November 11 event in Paris commemorating the 100th anniversary of the armistice that ended World War I, and would then travel to Buenos Aires to attend the G-20 Summit.