Activists in a large city join forces to create a new organization with the goal of preserving landmark buildings that have historical importance. At first, the organization functions democratically, but over time it is taken over by three people. These leaders establish a bureaucratic structure that helps them to maintain control of the organization. These developments can be best explained by __________.

Based on the information provided within the question it seems that these developments can be best explained by the Iron Law of Oligarchy. This law basically states that all organizations/companies/business will sooner or later become form and have only oligarchic tendencies, regardless of how democratic they were before. This law also believed that because of this democracy is a pipe dream that is impossible to achieve. This is what happened in this situation after the three people took over the whole organization.

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