Which technique of creating emphasis in the primary use of this painting

Placement and isolation

Explanation:

The emphasis of the painting is the Statue of Liberty. The observer is focused on it because the artist has:

used placement to make it the center of the piece – by positioning the Statue of Liberty in front and making it seem big, we can realize it is the focus of the painting. The first thing we notice is the statue, as it is in frontused the technique of isolation – the buildings are grouped in the background, while the Statue of Liberty stands out in front, isolated and different than the buildings. This difference in elements and singulation of the statue against other elements makes it the center of the artwork.