Complex sentence: Using forged papers, she managed to pass as a Polish woman with the name Halina Woranowicz, enabling her to assist the underground movements in various towns and ghettoes, as well as the emerging partisan units being formed in the nearby forests of Poland and Lithuania.
Split into simpler sentences: Using forged papers, she managed to pass as a Polish woman named Halina Woranowicz. Her Polish identity enabled her to assist the underground movements in numerous towns and ghettoes, as well as the emerging partisan units being formed in the nearby forests of Poland and Lithuania.