One defining characteristic of the Era of Good Feelings was the industry. People began to work in factories as well as produce steamboats, engines, etc.
<span>a. racism
</span>Which false scientific theory did the Nazis use to justify their persecution of Jews<u>RACISM
</u>
NOT:
b. mysticism
<span>c. phrenology </span>
<span>d. astrology</span>

So an iron triangle comprises or makes the base of the policy making relation over or among the congressional committees,the bureaucracy, etc.
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Wilson wanted to create a political power that would basically monitor
contries in an attempt to prevent another world war (keep peace).