Answer: Se preocupaba mucho por los derechos de mujeres y por las necesidades de los pobres.
Explanation: Here we want to resume the type of politic work that Eva Perón did.
Eva Peron continued with the ideas of the ex-president Juan Domingo Perón, these ideas and movements that were a type of socialism were called "Peronism".
So we can say that Eva Perón was a socialist, and the work that she mostly does was towards women's rights and the poor and needed people.
So the correct option is:
Se preocupaba mucho por los derechos de mujeres y por las necesidades de los pobres.
which can be translated to:
She was very concerned about women's rights and the needs of the poor.
