▁ ▁In ▁this ▁table , ▁subjects ▁are ▁categor ized ▁from ▁high ▁to ▁low ▁complexity ▁and ▁s ali ence . ▁S ali ence , ▁meaning ▁how ▁high ▁something ▁affect s ▁a ▁large ▁number ▁of ▁people , ▁and ▁complexity ▁meaning ▁how ▁much ▁training ▁and ▁knowledge ▁is ▁needed ▁for ▁someone ▁to ▁answer ▁the ▁questions ▁that ▁can ▁be ▁asked ▁about ▁the ▁subject . ▁The ▁typ ography ▁below ▁is ▁by ▁William ▁T . ▁G orm ley ▁ ▁Iron ▁tri angles ▁ ▁Iron ▁tri angles ▁are ▁three - pr ong ed ▁relationships ▁that ▁are ▁used ▁between ▁interest ▁groups . ▁Gener ally ▁these ▁interest ▁groups ▁are ▁composed ▁of ▁business es , ▁con gression al ▁comm itte es , ▁and ▁Federal ▁ag encies ▁set ▁to ▁deal ▁with ▁a ▁certain ▁issue . ▁These ▁iron ▁tri angles ▁do ▁not ▁have ▁the ▁general ▁w elf are ▁of ▁the ▁public ▁in ▁mind , ▁but ▁are ▁for ▁the ▁further ing ▁of ▁favor able ▁policies ▁for ▁the ▁interest ▁group . ▁For ▁example , ▁an ▁iron ▁triangle ▁dealing ▁with ▁foss il ▁fu els ▁would ▁be ▁composed ▁of ▁a ▁business ▁or ▁corpor ation ▁dealing ▁in ▁foss il ▁fu els , ▁a ▁con gression al ▁committee ▁who ▁over se es ▁foss il ▁fuel ▁laws ▁and ▁reg ulations , ▁and ▁a ▁foss il ▁fuel ▁Federal ▁Agency ▁which ▁makes ▁sure ▁these ▁laws ▁are ▁obey ed . ▁However , ▁iron ▁tri angles ▁do ▁not ▁benefit ▁the ▁public , ▁they ▁only ▁benefit ▁the ▁players ▁within ▁the ▁iron ▁triangle . ▁Some ▁cases ▁these ▁iron ▁tri angles ▁not ▁only ▁benefit ▁inside ▁the ▁ring , ▁but ▁often