Complex sentence: With damage stretching from Pittsburgh to Cairo, Illinois, 1 million were left homeless, with 385 dead and property losses reaching $500 million, further worsened by the fact that it occurred during the Great Depression and just a few years after the Dust Bowl.
Split into simpler sentences: With damage stretching from Pittsburgh to Cairo, Illinois, one million persons were left homeless, with 385 dead and property losses reaching $500 million. Recovery was difficult as the disaster occurred during the Great Depression and a few years after the Dust Bowl.