Aziraphale follows but looks back as if wondering if he should have packed something for the trip. Still, he is sure that Rosinante would let him know if that were the case, and he trots a bit to keep up with him.

"The Great War, possibly? Or World War II?" Though there had been very many large wars in America's short history. "The Civil War?" he tries. There would be more, but it's not really that important. He just wants to establish a timeline. Why would they have died here so quickly? Where might they had gone?

"But yes, I'm-- more than happy to assist, even if my area of knowledge is quite lacking."