Answer:
The Mayans <u>had been thriving </u>for many centuries before the arrival of Europeans.
Explanation:
The best phrase that describes Douglass’s purpose for including this particular experience in the narrative of his life is the second option: “to show the importance of education in changing his life”. Since the narrative of Douglass is an awe-inspiring description of his struggle and fight for freedom against the prejudiced, brutal, oppressive Southern institution of slavery, he ended up motivated to write about his difficult life as a slave.