Answer:
Imagery
Explanation:
The text is going into detail to explain what the tree/grass looks like. That is imagery.
The example that demonstrates the idea of self-determination is C. The Youngster family attempts to move into an all-white neighborhood.
They eventually move into the neighborhood, following their dreams, despite Mr. Linder threatens, who tries to stop them from moving there since they are black.
They all have to do with the military.