I believe its A. But im not sure all the way :)
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.
Cleopatra used an Asp, a deadly snake, to kill herself.
Its false because they rose in popularity in 1801
The caliphs treated their conquered with fairness, justice, tolerance, respect and with equal human rights. They secured their lives, and gave them the freedom to practice their religion.
