Rt History. Art of the modern era. Q To What extent is the image provided a modernist work of art?

The image to be discussed is;

Vanessa Bell, Studland Beach, 1912, Oil on canvas support: 762 x 1016 mm frame: 898 x 1153 x 87 mm, Tate, London

And the question to be answered is, To What extent is the image provided a modernist work of art? The answer must be at least 1000 words long though ideally 1100 to 1200.