Why would the senate grant Augustus the right to be in power for the rest of his life and how did they justify their decision? a

Augustus was a king, and monarchs are in power until death.

b

Augustus persuaded the people he would offer them peace and stability, and they believed him.

c

Augustus defeated the generals who attempted to take over Rome, and that was his reward.

d

Augustus became Rome's first emperor, and that power comes with the title.