Concept:The word infringed means broken or disobeyed, so the correct answer is its nearest meaning: violated.Explanation:The rules were infringed, meaning they were not followed or were broken.Look at the options: observed means followed, which is the opposite.Changed means altered, not necessarily broken.Formulated means created or framed.Violated means broke or disobeyed, which matches the meaning of infringed.Therefore, the best choice is B. violated.Answer:B. violated