Why has postsocialist nostalgia manifested most forcefully as Ostalgie and Yugonostalgia in postsocialist Eastern Europe?

Postsocialist nostalgia Why has postsocialist nostalgia manifested most forcefully as Ostalgie and Yugonostalgia in postsocialist Eastern Europe? 1500 words, including in text citations, research based analytical essay answering the question. Please use relevant and good literature