What was the roman period of peace and prosperity called that lasted for 100 years?

How does this cartoon represent an argument for the ratification of the constitution

Which statement can be said to be true after examining this map? (1 point) christianity remained popular in egypt after 400 ad. christianity was the only religion in the roman empire until 476 ad. christianity expanded in the roman empire after 325 ad. christianity did not expand beyond the boundaries of the roman empire by 476 ad

The public space for government speech in ancient athens was called