Consider the question. Le bonheur de vivre (The Joy of Life) is a painting by Henri Matisse. Along with Picasso's Les Demoiselles d'Avignon, Le bonheur de vivre is regarded as one of the pillars of early modernism. The monumental canvas was first exhibited at the Salon des Independants of 1906, where its cadmium colors and spatial distortions caused a public expression of protest and outrage.

Answer this question based on the passage: the joy of life was painted in which style?
What is the step-by-step reasoning process to arrive at the answer: early modernism?
To answer the above question, the relevant sentence is: Along with Picasso's Les Demoiselles d'Avignon, Le bonheur de vivre is regarded as one of the pillars of early modernism.