PLZ HELP I have these questions to a movie called hidden figures can someone plz help me I will mark brain list Thank you!​

i am pretty sure it is a

the structure was most likely used for;

c. playing a ball game with stone hoops

according to my research (britannica and quizlet) the first settlements were along the huang river because it could give the crops more fertile soil that really it out. this was due to the yellow slit caused by floods of the river.