According to the audio story, what was the Castlemont High School basketball court turned into?

Read this excerpt from tim o’brien‘s “ambush” “i had already pulled the pin on a grenade. i had come to a crouch” which literary device is most clearly shown in this excerpt?

Samuel johnson believed that literature should appeal mainly to the scholar, to him the common man, to teach him the common man, to teach and him the king and the parliament

What is central purpose of the letter