Explain the changes and continuities of the Islamic empires starting from the Umayyad to the Abbasid empires. PLEASE HEL I NEED A ESSAY! I WILL GIVE EXTRA POINT FOR GOOD ANSWERS!

By moving the capital to Baghdad in 762 CE, the Abbasids overthrew the Umayyad dynasty in 750 CE, supporting the Mawali, or non-Arab Muslims. As the Abbasids formed the new offices of Vizier and Emir to delegate their central authority, the Persian bureaucracy slowly replaced the old Arab aristocracy.

Explanation:

swe hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness. — that to secure these rights, governments are instituted among men, deriving their just powers from the consent of the governed, — that whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to effect their safety and happiness. "

- declaration of independence

  according to this passage from the declaration of independence, who gives government the power to exist?

a) the king

b) the people

c) their creator

d) their governmenthook

d.prevent the spread of communism outside of eastern europe.