Answer:
The object of a preposition is the noun or pronoun governed by a preposition. The object of a preposition is usually (but not always) the noun or pronoun to the right of the preposition.
The subject is sometimes called the “naming part” of a sentence or clause. It shows what the sentence is about, or who or what is performing an action in the sentence. The subject is most often a noun, pronoun, or noun phrase.
Explanation:
Please stay safe!
Answer: C) Problem: Houdini did not like people being tricked out of their money. solution: Houdini faked a picture of Lincoln's "ghost" to expose the fraud
On the passage explaining how Houdini built his career, it is explained that he built it by creating original tricks and illusions. He created original illusions therefore he was not in cheap frauds and tricks that deceive people. The example use for that was the spirit photograph in which he tricked a photo into looking that he was being photograph next to Lincoln, exposing the fraud of the pictures.