What did the first Holy Roman Emperor, Charlemagne, include in his imperial chapel to signify the revival and replacement of the old Roman Empire with his own reign?

He instituted the Carolingian Renaissance.

Explanation:

The first Holy Roman Emperor, Charlemagne included the Carolingian Renaissance art that signified the revival and replacement of the old Roman Empire.

Carolingian art made use of Roman art to depict and show Christian themed works and the Renaissance characterized to bring lay down guidelines for instituting high moral and educational standards for the clerics.

i think eddy chen is better.

the mass and the sacrifice are similar because jesus christ is the victim and priest in both. the mass is different from the sacrifice in that jesus died for the remission of sins and cannot be  sacrificed again during the mass.