Answer:
The adverbial clause is: "where they would find work"
The verb it modifies is: "went"
Explanation:
An adverbial clause is a type of dependent clause that functions like an adverb in a sentence, modifying a verb, an adjective, or another adverb. The information an adverbial clause offers usually answers the questions as to why, where, or when something happened. In the sentence we are analyzing here, the adverbial clause is "where they would find work," and it modifies the verb "went", indicating place.
