PLEASE HELP WILL GIVE BRAINLIEST!! Answer both questions thank you in advance <3

Which event is part of the exposition of this story?
Samara is walking home from school on a Friday afternoon.
Samara identifies the perfect spot for the new park.
Mrs. Yang tells Samara about her mother's garden in Korea.
Samara meets with Wanda to work on her presentation for the town zoning board.
Question 2 Part B
Which detail from the story supports the answer in Part A?
"It was all a little intimidating, but Wanda, the reference librarian, helped Samara break it down into manageable steps."
"Everyone would be at the fund-raiser for new sports equipment at the high school on Saturday."
"She decided to spend her summer campaigning for a new community park." "She realized that Pine Grove did not have any open public spaces where everyone could go to relax and enjoy nature."