How does Steinbeck show sympathy to Curley's wife?

Steinbeck leads to us to believe that curley's wife had no indentity and is a prossession of curley. Her behaviour in the begining tells us of her behaviour before we meet her.Her physical description such as clothing, speech, movement language analysis . Inappropriate clothing for ranch. Symbolism of clothing. We might agree with the judgment that she is a Tart or jail bait.

she is lonely