Answer: The increased production needed to support the war effort created additional jobs for those who were unemployed.
Explanation: It was on my test and I got it right, so you should too. :)
The correct answer is option two.
An infinitive phrase consists of an infinitive verb, and can be followed by a complement or a modifier, which is usually an adverb.
In the sentence above, the infinitive phrase comes before a complement "variety and interest to their writing."
Im not an expert, so i apologize if it’s wrong but i’m between A or maybe C? i’m mostly sure it’s A but i’m not completely sure, i hope this helps tho! again, sorry if it isn’t right :(