Which two themes interact in this short story the man who was almost a man

In the short story "The Man Who Was Almost A Man" by Richard Wright, the two intertwining themes are "the struggle for power" and "coming-of-age". Dave Saunders, the protagonist of this story, feels that by acquiring a gun, he will become a man and have more power in his life.

"the day we found the sharks' teeth" i would say highlight the element of the plot as it sets its boundaries and centers the adventures of them being on a boat and cleaning spit of sand.

the answer is