1- Compare between the characteristics of the health insurance regulation in Saudi Arabia and The United States? 2- Compare between the characteristics of insurance life cycle in Sadia Arabia and the USA, Medicare? 3- What are the differences between following terms with examples: A. Prospective payment system and Retrospective payment system. B. Abuse and Fraud. C. Blue Cross and Blue Shield. D. DRGs and RBRVS system. E. Medigap and Supplement palns. 4- Identify and explain the following: A. Methods of payment in Medicare insurance. B. Methods of financing in NHS. C. Workers compensations insurance D. Commercial health insurance E. Typology of health care insurance 5- Which country has the best model of healthcare system and why?