Answer:
Hold up. this randomly appeared while I was making the comment and messed everything up. ANYWAYS... I'm pretty sure the answer is A because "Perpetuation" means "the continuation or preservation of a situation, idea, etc." This definition still matches the the definition of the word "continuation" in the text.
Explanation:
The reason I believe that it is not B is because the word "completed" that it has as a replacement for "rooted" does not match the use of the word in the text.
