In the first years of the party's existence, the PNR was, above all, an instrument Calles,' Maximum Chief' of the party, used to continue exercising power in an era known as the Maximato.
The PNR was'Maximum Chief' of the party. This was in the first years of the party's existence. This was above all. Chief was used to continue exercising power in an era. This era was known as the Maximato. An instrument Calles were all.