Not fully understanding your question but You could look up information on that subjct
Answer: Plato
Explanation: Plato believed that philosophers were truly educated fit to rule
The First Crusade which was in 1096, was the only successful Crusade.
The answer is "wanting to disguise the truth they have uncovered."
Some historians find this tough. One of the reasons would be because not all people may or may not, like the truth. Some historians would omit some part of the truth to keep violent reactions from the readers or outsiders.