Answer:I can't particularly tell what the answer choices are BUT there shouldn't be a comma after rivers and before of
Explain: The sentence doesn't make sense with the extra comma re-read it and see where im talking about.
The connection between Mrs. Yang's gardening and Samara's idea to build a park is "Residents agreed that Mrs. Yang would manage the gardens."
Samara realized there were no public spaces for people to relax enjoying nature. When she saw Mrs. Yang gardening and her ability to do such a thing and regarding her experience and knowledge in gardening in Korea, Samara thought it would be a great idea for her to manage the park building and guide other people to help with the community garden.
When comparing the GDPs, Instead of saying compared it to, you might want to type, "in comparison." A few transition words also might help the piece become a bit smoother. Other than that, good job on the writing! It seems very well researched!
C. Bill raced after the ball and threw it back to Cheryl.