Complex sentence: His role as one of the opposition leaders to Juan Domingo Perón's government brought him political and judicial prosecution, and he was expelled from congress in 1949, and imprisoned at the Olmos Penal in La Plata.
Split into simpler sentences: His role as one of the opposition leaders to Juan Domingo Perón's government brought him political and judicial prosecution. He was expelled from congress in 1949, and imprisoned at the Olmos Penal facility in La Plata.