the type of figure of speech has been used in these lines is personofication
i hope this helps you out
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..."
The men's feelings of anxiety and fear will remain present. They will still feel uneasy with the feeling of hungry wolves surrounding them. Hearing the hunting-cries and observing their dogs' panicky reactions will only add to the tension.