How did toms letter bring the reality of the war closer to the Creighton's?

Tom's letter brought the reality of the war closer to the Creightons by vividly conveying his experiences and emotions on the battlefield, making the distant conflict feel immediate and personal. His descriptions of fear, hardship, and the stark realities of combat shattered any romantic notions they may have held about war. The letter served as a stark reminder of the dangers faced by those they loved, deepening their emotional connection to the ongoing struggle. Ultimately, it transformed their understanding of the war from abstract news to a painful personal reality.