Complex sentence: Until 2001 the Italian state offered citizens living abroad a free return train journey to their home town in Italy in order to vote, however the only portion of the train journey that was free of charge was "on Italian soil".
Split into simpler sentences: Until 2001 the Italian state offered citizens living abroad a free return train journey to their home town in Italy in order to vote. However, the only portion of the train journey that was free of charge was "on Italian soil".