Place the following events in the correct sequence Muhammad dies, Abu bakr unifies followers, arab muslims defeat byzantines and persians, abbasid caliphate established, umayyad caliphate established

-Muhammad dies, Abu Bakr unifies followers, Arab Muslims defeat Byzantines and Persians, Umayyad Caliphate established, Abbasid Caliphate established

Explanation:

so they can defeat there oppenent

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.