i need help on knowing that the cultural changes between Umayyad and Abbasid.

pleaseee!

thank you

http://en.wikipedia.org/wiki/Umayyad_Caliphate

and
http://en.wikipedia.org/wiki/Abbasid_Caliphate

Read carefully and take notes. Check out the references/links at the bottom of both pages.

Let us know what you think.