Complex sentence: In 1972, he was suspended from his clerical state, after Argentine President Juan Carlos Onganía had said that Podestá was the "main enemy of the Argentine Revolution" and having a personal confrontation with Mozzoni.
Split into simpler sentences: In 1972, he was suspended from his clerical state. This suspension was motivated by the declaration by Argentine President Juan Carlos Onganía that Podestá was the "main enemy of the revolution" and by a personal confrontation Podestá had with Mozzoni.