The best answer according to your question is The infinitive verb. The infinitive verb is the infinitive plus of any complements and any modifiers of the infinitive and complements. To your question the infinitive verbs are "in order to form a more perfect union, established justice, insure domestic tranquility, etc..."
Direct democracy.
Representative democracy.
Constitutional democracy.
Monitory democracy.
The answer is D.
Because I’m correct. Just trust me
Since we know that there are more than 1 answers to this and that B is a correct option, we can safely assume that D is the other correct option.
The answer is simile because in the sentence
(I am quite benumbed; for the notch us just like the pipe of a great pair of bellows; )
This sentence contains the wors like and if a sentence has the wors like or as is considered a simile