Murder on the Lusitania

The setting on the Lusitania feels so vivid and authentic, but I wonder how much was based on real events versus creative license. Did the author have to make tough choices about what to include?

I loved how the historical context added layers to the mystery, but I kept catching myself wondering if those details were deliberate clues or just background flavor.

The historical tragedy adds a weight to the mystery, but I’m curious if the author chose this event because of its significance or for its narrative potential.