Three IT companies have agreed to summarize their efforts as a common organization to generate new businesses in the IT cloud computing industry. Which of the following is the type of organizational…

Expansion refers to a single organization growing its operations, market presence, or workforce, not the combination of multiple independent companies.

Rightsizing involves adjusting an organization's workforce or structure to an optimal size, typically through reductions, and does not describe multi-company consolidation.

A merger is defined as the consolidation of multiple distinct organizations into one common entity, which precisely matches the scenario where three IT companies agree to unify their operations to pursue new business in cloud computing. This differs from an acquisition in that the combining parties mutually agree to form a new or shared organizational structure.

Onboarding describes the process of integrating new employees or systems into an existing organization, not the unification of separate companies.