If Argentina steps out of line by thinking it may nationalise...

If Argentina steps out of line by thinking it may nationalise its Lithium deposits, you can rest assured the US has previous form in meddling in South American countries, to get its own way.

"Argentina[edit]See also: National Reorganization Process, Dirty War, and 1976 Argentine coup d'étatJorge Rafael Videla meeting Jimmy Carter in 1977In Argentina, military forces overthrew the democratically elected President Isabel Perón in the 1976 Argentine coup d'état, starting the military dictatorship of General Jorge Rafael Videla, known as the National Reorganization Process. The coup was accepted and tacitly supported by the Ford administration[5] and the U.S. government had close relations with the ensuing authoritarian regime, with U.S. Secretary of State Henry Kissinger paying several official visits to Argentina during the dictatorship.[6][7][8]"

https://en.wikipedia.org/wiki/United_States_involvement_in_regime_change_in_Latin_America