What background knowledge would best add to a reader's understanding of an online article about recycling in local communities?​

Urgently need to do with 1-20. you very much!

Tia and lin had been best friends since kindergarten. both avid soccer players, the girls decided to try out for the high school team together. unfortunately, there was just one open spot, so only one of the girls would be chosen. they both worked hard, and on tryout day, they did their best. when the team roster came out, lin was excited to see that she had made the team but sad that tia had not. tia was happy for her friend and vowed to work harder so she would make the team the next year. which sentence is the exposition of the passage

Both wiesel’s all rivers run to the sea and spiegelman’s maus relate events of the holocaust from a jewish survivor’s perspective. using the third-person point of view. by retelling the experiences of friends. through the eyes of their fathers.