Not enough information was given. Please include some info.
The answer is b I hope this helps
Okay, so I am confused about what you're asking here.
The correct answer is a. tyler decided to give away toys, hoping it would give him more space.
"hoping it would give him more space." is an adverb clause for his reasoning behind it and is a clause that fulfills the purpose that you described. D doesn't' have a clause because it is a phrase, c is a phrase also, while b is a clause that is an adjectival clause.
it is cascade :)) and uh yeah