Augustus Caesar contributed to the Roman Empire by: giving power back to the Senate and tribunes.
ruling as Rome's first emperor during the pax Romana
ordering the empire to expand to its largest size
dividing Roman citizens into plebeians and patricians.

ruling as rome's first emperor during the pax Romana

randy pausch was a famous mathematician, writer and lecturer who is particularly famous for his last speech, given in 2007, "the las lecture", because he illustrates why one's dreams need to be pursued in a logical order if success is to be obtained, option c. at this time, pausch had been diagnosed with terminal cancer so he told the audience to follow their childhood dreams, which were possible to achieve. it has been recognized as one of the best motivational speech around the world.