after the world war ii finished, british and french-owned railway companies in argentina began proceedings with the purpose of selling their railways due to financial problems to operate those services. finally on march 1, 1948, all the foreign railway companies in argentina were nationalised under the juan perón's administration, creating the state-owned company "empresa de ferrocarriles del estado argentino (efea)", then renamed to ferrocarriles argentinos, taking over all the railway lines of argentina, including passenger and freight services.