As a PC representative, Periețeanu participated in the civic movement for the Little Entente and against Hungarian irredentism, alongside figures from the PNȚ, PNL, and National Agrarian Party.
As a PC representative, Periețeanu participated in the civic movement for the Little Entente and against Hungarian irredentism. Called "Antirevisionist League", it also grouped figures from the PNȚ, PNL, and National Agrarian Party.