Complex sentence: The Princesse de Bormes, a widow, arranges for a car convoy to help the wounded soldiers by evacuating them from the front, and bringing them back to her villa in Paris for medical care so they can recuperate.
Split into simpler sentences: The Princesse de Bormes, a widow, helps the wounded soldiers by evacuating them from the front. She arranges for a car convoy to bring them back to her villa in Paris for medical care so that they can recuperate.