Answer:
An iron triangle is a stable, permanent relationshio between agencies, congressional committees, and an interest group.
Step-by-step explanation:
Iron triangles are used in projects whose quality objective must be maintained according to three essential variables that are related to each other. The scope that are the requirements that must be carried out, the time that will b the duration of such a project and cost or resources specifies by the money or the people who dedicate themselves to such a project.
The interest of the group goes into the specific resources, as well as the congressional committees and the agency as a means to ensure the quality of the project.