Can someone plz answer this question I'm struggling with?

Sigmund freud had much to do with the belief that

Nstrumental music that supports the main part(s) chamber music 2. a large group of instruments usually including woodwinds, brass, and percussion band 3. music written for small ensembles for an intimate setting accompaniment 4. a person who leads an ensemble conductor 5. an electronic keyboard capable of multiple instrument sounds

In the ninteenth century,why was it more nessesary for art to provide accyrate represemtations of life and objects