Fear of Failure and Coming of Age
Answer:
An adverb phrase, like an adverb, modifies a verb, an adjective, or an adverb by providing additional details about it.
So your answer is adverb phrase.
Hope I helped :)
To have the country be unified “under one federal head.” For Americans to keep “a sacred regard to public justice.” To create a “proper peace establishment,” which at the time meant a peacetime military apparatus.