Why is expansion outside the US an attractive form of diversification?

HCL-4040-M50 – Business Principles/HealthcareRead Case 4.2 on pages 66-67. Answer the following questions in narrative form.1.) Why is expansion outside the US an attractive form of diversification?2.) What are the pitfalls of international expansion?3.) What are the main risks that UPMC faces in its Pittsburgh operations?4.) Why is buying additional hospitals in Pennsylvania risky?