Just a curious question. Cycling lights are indeed the law in most parts of Europe[0]. Are there no laws in the US about cycling laws or are they not enforced?

Just a curious question. Cycling lights are indeed the law in most parts of Europe[0]. Are there no laws in the US about cycling laws or are they not enforced? [0] In my country cycling lights are traditionally used are traditionally used as a training ground for new police officers. These officers have to explain why you are actually breaking the law and also have to deal in a correct manner in the abuse from the perpetrators.