Answer: The key represents his sacrafice.
Explanation:
It brought them harm because they expected Hitler to be satisfied and they believed that if they gave him what he wanted that he wouldn't cause a new war and wouldn't bother them. This is why they didn't prepare for what he did when he started the war and why France was defeated so fast and couldn't do anything about it and why England became locked out of Europe completely until the arrival of the Allies.
Many experts believe that all humans can be traced back to the continent of Africa, since migratory patters can be found from fossil evidence that then spread through Europe and Asia.
Because cathlicism started in europe and when you research it europe was a very religious country when they was in medievil age and upto the 20th century