Augustus did all of the following except
a. give rights to non-citizens
b. create the first christian empire
c. reform the roman tax system
d. appoint governors to the rule the roman province

B. Create the first Christian empire

Explanation:

During the reign of Augustus, the Roman Empire was pagan, not Christian. The local Roman Religion was the state religion, but there was some degree of religious tolerance throughout the empire, for example judaism was practiced in Judea, the province were Jesus was born decades after the Augustus reign began.