Final answer:
The process by which a company expands internationally by allowing a foreign company to use its brand and sell its product overseas is called franchising.
Step-by-step explanation:
The process by which a company expands internationally by allowing a foreign company to use its brand and sell its product overseas is called franchising. Franchising is a business model in which a company (the franchisor) grants another company (the franchisee) the right to operate a business under its established brand, using its proven business model, and selling its products or services. This allows the franchisor to expand its brand and reach new markets without having to open and manage new locations themselves.