Needs to have a meaning. Doesn't need to rhyme, you can freestyle.
Answer: It was a blueprint for methods of nonviolent protest .
A gerund<span> is a verb form that ends in -ing. A </span>gerund phrase<span> includes the </span>gerund<span>, plus any modifiers and complements. </span>Gerunds<span> and </span>gerund<span> phrases always function as nouns. They can act as subjects, direct objects, indirect objects, predicate nominatives, or objects of a preposition in a sentence.</span>
The answer is C. limits the meaning of the word it describes.
It should not be set off by commas, it can occur at the beginning or the end of a sentence, and doesn't function as an adverb.
Example: The man who lives next door is old.
This restrictive clause limits "the man" to say it's specifically the one next door.