Complex sentence: In 1916 Hanna had relinquished her role in order to Travel to America and publicise the death of her husband Leaving Bennett as the Joint editor of the paper along with fellow IWFL member Mary Bourke-Dowling.
Split into simpler sentences: In 1916 Hanna had relinquished her role in order to travel to America and publicise the death of her husband. This left Bennett as the joint editor of the paper, with fellow IWFL member Mary Bourke-Dowling.