Complex sentence: This coincided with the most intense drought ever recorded in Syria which lasted from 2007 to 2010 and that resulted in a widespread crop failure, increase in food prices and a mass migration of farming families to urban centers.
Split into simpler sentences: This coincided with the most intense drought ever recorded in Syria. It lasted from 2007 to 2010 and resulted in widespread crop failure, an increase in food prices and a mass migration of farming families to urban centers.