Answer
Radetzky March, a novel by Joseph Roth, is a multi-generational family saga that traces the decline of the Trotta family, an aristocratic Austrian military dynasty. Set against the backdrop of the Austro-Hungarian Empire's collapse, the novel explores themes of loyalty, duty, and the loss of tradition. Through the Trotta family's experiences, Roth provides a poignant portrayal of the social and political upheavals that shaped 20th-century Europe.