Explanation:
A infinitive is a verbal formed by putting to in front of the simple present form of a verb. Infinitives might function as a adjective, adverb, or noun. Just as a single word adjective, an infinitive is used as an adjective that always ends up describing a noun.
What kind of question is this lol but anyways id want to say (D)
Before gold and silver were discovered in the West in the mid-1800s, the United States lacked a sufficient quantity of precious metals for minting coins. Thus, a 1793 law permitted Spa