Caracala's Roman Citizenship

Caracala portrayed the t of roman citizenship as an act of thanksgiving to the gods for saving him from geta's conspiracy. The papyrus was discovered in egypt which, although fragmentary, were able to reconstruct as part of caracala's edict us. And he goes on to say, this decree will spread the magnificence of the roman people. So he is actually linking this as an acts of universal thanksgiving for saving him and also spreading the word of the empire.