All of the Following Were True About the Spread of Arab

All of the following were true about the spread of Arab control except

A) its voluntary and egalitarian features proved quite attractive to many people.
B) if an individual chose not to become a Muslim, he still had to participate in mandatory military service.
C) as a result of the caliphate being won by the Syrian governor, the Islamic capital was located in Damascus for a time.
D) Egypt was an early Arab conquest.
E) non-Muslims were usually required to pay a special tax.