Sponsor is a similar word
Answer:
The object of prepositional phrase is <em>force</em>.
Explanation:
<em>Prepositional phrase </em>is a phrase where the main word is preposition (the phrase could not function without it).
Most often the preposition is at the beginning of the phrase. It is followed by a noun or a pronoun which acts as the <em>object of that prepositional phrase. </em>Noun or pronoun can have a modifier which in this case is <em>such</em>.