Complex sentence: He was a visiting professor at the Pontifical Catholic University of Chile during the 1970--1973 government of Salvador Allende, and it was the effects of General Augusto Pinochet's post-coup policies which sparked his interest on "economic repression".
Split into simpler sentences: He was a visiting professor at the Pontifical Catholic University of Chile during the 1970--1973 government of Salvador Allende. It was the effects of General Augusto Pinochet's post-coup policies which sparked his interest on "economic repression".