Alexander the Great followed the customs of the lands from the former Persian Empire. This gave great stability to his vast empire and got hi, into good graces with the local towns and people’s.
The person wrote about the life and history of Alexander the Great was John Gunther. I'm not sure what his work was called, I'm sorry.
Answer:
They didn't want all of those horrible events to be something they, or anyone else, had to remember.
It was because they were inspired by the renewed interest in Greek and Roman culture.