30 POINTS FOR 1 PERSON(THE ONE MARKED BRAINLIEST) Helpp!!!! Do you think this document is a reliable source for determining how the caliphates expanded in the 7th and 8th centuries? Why or Why not?

30 POINTS FOR 1 PERSONTHE ONE MARKED BRAINLIEST Helpp Do you think this document is a reliable source for determining how the caliphates expanded in the 7th and class=