Answer:
where ashes grow like wheat
Explanation:
simile uses "like" or "as"
Participles are words formed from verbs that can be used as adjectives. In this sentence, "roaring" would be B, participle.
The answer would be began because if a barricade fell down in the middle of a confrontation and there is something that has to do with a riot it would only make sense that a riot would happen which the answer would be began.