Under which historical category does the portrait of Madame Matisse:The Green Stripe (Line) fall?

Explanation:

The Green Stripe (La Raie Verte), also known as Portrait of Madame Matisse. The Green Line, is a portrait by Henri Matisse of his wife, Amélie Noellie Matisse-Parayre. It is an oil painting on canvas, completed autumn or winter 1905. It is named for the green band that divides the face in half, by which Matisse sought to produce a sense of light, shadow, and volume without using traditional shading.

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