The US Supreme Court will on Monday test the power of US law to reach across borders, in a case that asks whether foreign-registered cruise ships must comply with the nation's stringent disability law. The case is being closely watched by business groups, which argue that the plaintiff-friendly US civil justice system is being increasingly used to regulate the activities of foreign businesses in the area of human rights law, bankruptcy, antitrust and now disability law. [refers to Norwegian Cruise Line (part of Star Cruises)]