The biggest challenges faced by the Jewish settlers who arrived in
Israel
beginning in the 1880s was introducing modern agricultural methods
to an
ancient culture.
Mosquito-borne disease in the wetlands represented another
challenge.
The answer is A, he is considered the father of history. He did write histories about the Trojan War and a history of Ancient Egypt. "On The War For Greek Freedom" and "Xerxes Invades Greece" are among the best.