A is the correct answer.
In a common law system, such as the United States, judges rely on precedent or rulings in cases with facts similar to that of the current case to guide their decision making.
Laws were needed to justify the need for order in the rising complexity of the civilization so as more laws were written more were enforced and more were needed to justify that enforcement
Worker’s compensation is a insurance that covers an employee in case of an injury on the job. How the economy is now, employers are looking to cut costs and skip having this since its expensive but in most states it is illegal not to have worker’s compensation