Final answer:
Grimmelshausen's novel conveys the devastating effects of the Thirty Years' War on society and questions the value of nationalist ambitions, echoing a broader historical reevaluation.
Step-by-step explanation:
Based on the excerpt from Grimmelshausen's novel, Simplicissimus, the author conveys messages about the Thirty Years' War that highlight the devastation, suffering, and political turmoil it caused.
This war, which lasted from 1618 to 1648, is portrayed in literature and other artworks, such as by Rubens in The Consequences of War, as causing great societal disruption and questioning nationalist ambitions.
The novel, along with other contemporary works, suggests a deep reevaluation of history and the significance of each individual's experience during tumultuous times, such as those brought about by the Thirty Years' War or later conflicts, including World War I.