Answer:
I do not think that it had to do with him being a product of incest. It was most likely because of his early home life.
Explanation:
Adolf Hitler was born to Alois Hitler and Klara Polzl. The relationship between his parents is thought to be that of first cousins once removed. His aggressive behavior can be linked to his childhood days when he always got into trouble with his father who was short-fused. This likely affected his mental health for he began to withdraw from social activities while in school.
He would rather delight in relishing scenes from the Boer War. Losing his parents at an early age and having to hustle for the early parts of his life in hostels must have also contributed to his becoming hardened and the aggressiveness that followed.
The book written by Herodotus provided valuable insight into ancient Egypt prior to the 19th. He was a Greek historian who was born in the year 484 BC and died in the year 425 BC. Very little fact is known about his personal life, but his work is one of the oldest to have survived in intact form. He is widely considered as "The Father of History" till today.
