Answer:
Horizontal.
Step-by-step explanation:
Horizontal consolidation can be defined as a strategic technique which typically involves the process of merging companies that are into the production (manufacturing) of the same or similar products (finished goods) and services into a single business unit. This type of merger or integration is the most commonly used consolidation method across the world. It is also known as horizontal integration and it essentially helps to increase the level of output (production) for businesses.
Hence, when a company buys up its competitors and forms one giant company. This is an example of horizontal consolidation.