Therefore is an adverb meaning for that reason; consequently.
Ownership is a noun meaning the act of, or right of possessing something.
Example sentence: The ownership of the vehicle is not documented, therefore I won't be putting a down payment on it.
"The customer had full ownership of the car after buying it."
Apostrophes either show Possession or make a contraction
The apostrophe in the word Billy's means Billy's ownership of something.
A topic sentence in a paragraph about pet ownership should be a lead-in to what the paragraph is about. An example of a topic sentence is, Pet ownership is a great responsibility, but the rewards are worth it.
He was injured and therefore unable to play in the final round.
this is my home work, therefore I need to do it at home
Therefore, instead of turning at Faber Street, she crossed it.
I will be taking ownership of the car tomorrow.
The US took ownership of the Panama Canal Zone and completed the canal in 1914. The private ownership of certain weapons is prohibited by law. When the company's founder died, ownership of the firm passed to his two sons.
The man was vested in the company. Another good sentence would be, the new state law vested the criminals ownership.
I do not use a comma before and after that word, therefore you will not see it in any sentence I have written.
Since the building changed ownership, we had to unfasten the sign, and install a new one.