Complex sentence: Rome under Napoleon, Susan Vandiler, In February 1798 the French invaded the Papal States, motivated by the invasion the killing of French general Mathurin-Léonard Duphot in December 1797.
Split into simpler sentences: Rome under Napoleon, Susan Vandiler, In February 1798 the French invaded the Papal States. The main motivation for the invasion was due to the killing of French general Mathurin-Léonard Duphot in December 1797.