Final answer:
The iron triangle consists of a bureaucratic agency, a clientele group, and a legislative committee, forming a symbiotic relationship that benefits each party involved. These connections can lead to a stable yet potentially exclusionary policy-making process.
Step-by-step explanation:
The best description of an iron triangle is the stable relationship between a bureaucratic agency, a clientele group, and a legislative committee. This concept highlights the symbiotic relationship that exists between these three key players in the realm of government policy-making. Interest groups rely on legislative committees for favorable laws and in turn, committees rely on interest groups for campaign contributions and policy information. These two, together with governmental agencies, work in a loop of mutual benefit where agencies need the support of committees for funding and the expertise of interest groups for the implementation of policies. While some scholars like Hugh Heclo suggest that the iron triangle model may be outdated, replaced by more open and dynamic issue networks, the iron triangle still provides a useful lens to understand the interconnectedness and potential entrenchment of certain interests within the policy-making process. This entrenchment makes it difficult for outsiders to influence policy decisions, contributing to the perception of oligarchic control over certain areas of policy.