Answer:
Without genetic diversity, natural selection cannot occur
Answer:
The Immortals also known as the Persian Immortals was the name given by Herodotus to an elite heavily-armed infantry unit of 10,000 soldiers in the army of the Achaemenid Empire. This force performed the dual roles of both Imperial Guard and standing army. Wikipedia
I would go with option c. more
As most women have confessed that in their early years they were sexually abused in one way or another