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Who signed the United States-Mexico-Canada Agreement in 2018?

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North American Free Trade Agreement — North American Free Trade Agreement (From left) Mexican Pres. Carlos Salinas de Gortari, U.S. Pres. George H.W. Bush, and Canadian Prime Minister Brian Mulroney meeting to initial the North American Free Trade Agreement in San Antonio, Texas, October 7, 1992.

The United States–Mexico–Canada Agreement (USMCA) was signed on November 30, 2018, by the following three leaders:123

Donald Trump, President of the United States13
Justin Trudeau, Prime Minister of Canada13
Enrique Peña Nieto, President of Mexico13

The agreement was signed during a ceremony held at the Group of 20 (G20) summit in Argentina.34