During the Korean War, UN intelligence focused on the iron triangle, recognizing it as a major communist Chinese and North Korean concentration area and communications junction in the central sector.

The iron triangle often prevents meaningful reform because congressional committees, executive agencies, and interest groups prioritize mutual benefits over the public interest.

Scholars often analyze the Iron Triangle to understand how agencies, legislators, and interest groups interact.

Political reformers argued that iron triangles were preventing meaningful change in the agricultural subsidy program.