Complex sentence: The Morning Star reference peaked in usage under the communist regime, particularly during the final stages of national communism, when, Negrici argues, Eminescu was publicly celebrated with "grotesque displays".
Split into simpler sentences: The Morning Star reference peaked in usage under the communist regime. Mythical recovery was particularly strong during the final stages of national communism, when, Negrici argues, Eminescu was publicly celebrated with "grotesque displays".