translation.en: They were to be released in exchange for the overthrown Shah Mohammad Reza Pahlavi, who fled after the revolution to the USA, which had actually supported his regime for several decades.
translation.es: Su puesta en libertad iba a ser a cambio del destronado shah Mohamed Réza Páhlevi, el cual después de la revolución huyó a EE.UU, país que había patrocinado su régimen durante decenios.