Which statement best describes Käthe Kollwitz's approach to printmaking?

Self-portrait by Kathe Kollwitz

She avoided references to current events or to her personal life.

She applied thin washes of ink to create subtle tonal variations.

She produced multiple sketches before beginning the etching process.

She used expressive lines to convey emotions of helplessness and despair.

The last one, She used expressive lines to convey emotions of helplessness and despair.

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art.