Answer:
The answer is vertical integration.
Explanation:
A Vertical Integration is an expansion strategy, in which a company acquiring various entities engaged in different stages of the value chain. The value chain is the series of processes in a manufacturing system that adds value to an end product. It typically consists a sequence of alterations that are applied during the value chain until one or more raw materials are converted into a finished product.
Vertical integration takes place when a company takes over control of different production or distribution stages of the value chain process until a product or a service is created.
