There was a period of peace in ancient rome and it was called ?

This period was called Pax Romana which was an era of Roman history marked by apparent peace and prosperity during the transition from the Republican period to the imperial period, which brought stability to the Roman Empire and secured Rome's authority over its provinces. The expression pax romana originates from the official language of the Roman Empire - Latin - and means "Roman peace". The policy of Pax Romana was applied throughout the empire.

if i am correct the answer is going to be a) the federal program of reconstruction ended.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)