A protester holds a sign that reads in Spanish “No to the agreement Macri-IMF” during demonstration against International Monetary Fund near the G20 Finance Minister and Central Bank governors meeting in Buenos Aires, Argentina, Saturday, July 21, 2018. (AP Photo/Gustavo Garello)
Christine Lagarde, right, International Monetary Fund Managing Director and Argentina Treasury Minister Nicolas Dujovne arrives for a press conference during the G20 meeting of Finance Ministers and Central Bank governors in Buenos Aires, Argentina, Saturday, July 21, 2018. (AP Photo/Gustavo Garello)
BUENOS AIRES, Argentina — The world’s top financial officials meeting in Argentina’s capital on Sunday called for more dialogue on trade disputes that threaten global economic growth with one official warning that differences remain and tensions could escalate further.