In recent years, McDonald’s—which had attained decades of outstanding growth by selling burgers and fries to American families with young children—has aggressively sought franchisees in foreign countries, including Russia and China. The firm has also introduced a wide variety of new product lines and line extensions (breakfast items such as Egg McMuffin, Chicken McNuggets, McChicken sandwiches, low-carbohydrate salads, etc.). What was the strategic rationale for these moves?