Which global fast-food chain’s widespread franchising model and expansion were significantly driven by businessman Ray Kroc, who joined the company in the 1950s?

💡 Explanation:

Ray Kroc was an entrepreneur and milkshake machine salesman who became a franchising agent for the McDonald brothers in 1955. He saw immense potential in their efficient restaurant system and eventually bought out the brothers, transforming McDonald's into the global franchise powerhouse it is today.