Complex sentence: Instead, Connell was assigned to teach dogmatic theology at Mount St. Alphonsus Seminary until 1921 when he was sent to the "Pontificium Collegium Internationale Angelicum", the future Pontifical University of Saint Thomas Aquinas, "Angelicum" in Rome.
Split into simpler sentences: Instead, Connell was assigned to teach dogmatic theology at Mount St. Alphonsus Seminary. In 1921, he was sent to the "Pontificium Collegium Internationale Angelicum", the future Pontifical University of Saint Thomas Aquinas, "Angelicum" in Rome.