Final answer:
Alfred Lord Tennyson's 'In Memoriam' begins with a prologue strongly affirming Christian faith as a foundation for his exploration of grief. The poem embodies Victorian themes of faith and doubt and underscores Tennyson's literary contribution as Poet Laureate.
Step-by-step explanation:
In Alfred Lord Tennyson's In Memoriam, the prologue indeed affirms a strong Christian faith, with emphasis on Christ's authority and love. Tennyson begins his poetic exploration of grief rooted in the conviction of God's omnipotent benevolence, notwithstanding the lack of physical evidence: 'Believing where we cannot prove.' This sets the stage for the poet's emotional and spiritual journey throughout the poem.
The subject matter places Tennyson's work within the context of Victorian literature and reflects on the era's prevalent themes of faith, doubt, mourning, and the search for understanding in the face of loss. Tennyson's role as Poet Laureate and his impact on English literature are significant, highlighting the importance of his religious and philosophical reflections in his work.