Complex sentence: In June 1940, after initial success, the Italian offensive into southern France stalled at the fortified Alpine Line.After just two weeks of fightings, on 24 June 1940, France surrendered to Germany.
Split into simpler sentences: In June 1940, after initial success, the Italian offensive into southern France stalled at the fortified Alpine Line. On 24 June 1940, France surrendered to Germany.