Answer:
Dada was the art movement that was most clearly dedicated to breaking the traditional definition of art.
Step-by-step explanation:
The Dada movement was a revolutionary movement that emerged in the early 20th century in Europe, and it rejected traditional artistic norms and values. Dada artists sought to challenge the traditional definitions of art and to create works that were intentionally irrational and absurd. They often used unconventional materials and techniques, and they sought to subvert traditional notions of beauty and form.