Complex sentence: When Berlin falls to the Russians, and her husband killed, she flees to America, carrying her unborn child, all the while not giving up hope that she will find her family, tied together by her mother's ring.
Split into simpler sentences: When Berlin falls to the Russians, and her husband is killed, she flees to the United States, carrying her unborn child. All the while, she does not giving up hope that she will find her family, tied together by her mother's ring.