Hmmm I believe the answer is B.
Ancient india and ancient Egypt,they both had temples to honor their god(s).
Answer:
The Nazis began experimenting with poison gas for the purpose of mass murder in late 1939 with the killing of patients with mental and physical disabilities in the Euthanasia Program.
I would say simply the geography but they could also see where they founded their civilization. They could learn about how the romans viewed themselves and the outside world.