Repatriated by a decree of the President of Argentina in 1973, she was expelled by the de facto government of Jorge Rafael Videla (1976), destined for the United Kingdom.
As a writer and poet, her writings have appeared in numerous newspapers and magazines in a number of countries and on international websites, as well as her scientific work.
In 2005 she was selected among the 10 professionals awarded help by the Council for Assisting Refugee Academics to take part in the Oral History of London because of her "valuable contribution to the culture of the city".
In May 2010, at Concordia University in Montreal, Quebec, Canada, under the auspices of the XLVI Congress of the Canadian Association of Hispanists, the launch of the e-book anthology edited by Nela Rio El espacio no es un vacío, incluye todos los tiempos [Space is not an empty, it includes all time] took place.
A poetry and art tribute exhibition (paper and virtual) by the Creative Registry of the Canadian Association of Hispanists, Nevada, June 2016, was dedicated to Marta Zabaleta.