When two or more persons work together, what is established?

The establishment of an organization occurs when two or more persons work together in a coordinated manner to achieve a common goal. In this context, an organization is defined as a structured group of individuals who collaborate to perform specific tasks or functions. Organizations can take various forms, such as formal establishments (like police departments or businesses) or informal groups, but the key element is the collective effort towards shared objectives.

In understanding why the other options are less applicable, it's important to note that a team structure generally refers to a smaller grouping within an organization, focusing on specific tasks. While a leadership hierarchy undoubtedly exists in many organizations, it doesn't capture the essence of collaboration itself, as it is more related to roles and authority within a structured setting. Similarly, a plan of action is an output of organizational collaboration but does not define the basic establishment that occurs when people come together to work. Therefore, the correct selection highlights the broad concept of organization, which encompasses all collaborations among individuals toward a unified purpose.