Simplify the following text for a Grade 13 native English-speaking person.
Original: The Crisis resulted in such profound changes in the Empire 's institutions , society , economic life and , eventually , religion , that it is increasingly seen by most historians as the transition period between the historical periods of Classical antiquity and late antiquity .
Simplified: The Crisis resulted in profound changes in the Empire 's institutions , society , economic life , and eventually , religion . It is increasingly seen a transition period between the historical periods of Classical antiquity and late antiquity .