Case: "Carnival Cruise B. Answer these four discussion questions listed at the end of the case. 1. What specific steps has Carnival Cruise Lines taken to benefit from global social changes? 2. What economic factors influence the success of the international cruise industry? Explain how each affects such success. 3. Although most cruise line passengers are from the United States, the average number of annual vacation days taken by U.S. residents is lower than that of workers in most other high-income countries (13 days, compared to 5 weeks in France and Germany). How might the cruise lines increase sales to people outside the United States? 4. What threats exist to the future performance of the cruise-line industry and, specifically, of Carnival Cruise Lines? If you were in charge of Carnival, how would you (a) try to prevent these threats from becoming reality, and (b) deal with them if they were realized?