Islam+Discussion+Board+Block+7

Discussion Board Prompt:
 * Islam Discussion Board Block 7 **
 * Based on the three documents you looked at, write a paragraph to answer the following question: How did the early Islamic empire expand? Make sure to include evidence from at least two different documents?
 * How do the documents shed light on how the caliphates expanded during the 7th and 8th centuries?
 * Is any one document more reliable than the other? If so, why?