1. Which of the following best suggests how Stelzle considers people who are against voting for a prohibition on alcohol?
A. they are "weaker members of society"
B. they are slaveowners
C. they are in favor of sacrificing their liberty
D. they all have a disease that must be cured


The answer to will be B there are slave owners

A phrase can be either a prepositional phrase, or what I like to say; preposition + noun-object, or A prepositional phrase is a phrase which consists of a preposition and a noun and functions as an adjective or an adverb.
so, the answer is most probably
D. As Adjectives, phrases modify nouns and pronouns, whereas as adverbs, prepositional phrases modify adjectives and adverbs. :-)