Why do artists use movement in their artwork

Consider this painting entitled great fish-market by bruegel

Organum was first developed by religious singers adding another melody directly above the chant and mirroring the chant line. true false

In 1907, the retrospective on the work of 19th century post-impressionist georges seurat influenced the development of cubism in a radical way through his painting titled, “sunday afternoon on the island of la grande jatte.” ? ?