Complex sentence: Opposed to Communism, she was persecuted by the Polish government of the time; among other things, she lost her position as editor of the periodical "Ziemia i Morze" and was taken to court over an article published therein.
Split into simpler sentences: Opposed to communism, she was persecuted by the Polish government of the time. Among other things, she lost her position as editor of the periodical "Ziemia i Morze" and was taken to court over an article published therein.