By not providing a great deal of detail about the "cylinder" in his radio production of War of the Worlds Welles helped to keep the origin of the alien invaders a mystery. Welles probably chose to do such in order to keep the audience in suspense and to help convince them that the invasion is actually happening.
The subject is the winning float
Interrogative mood because it asks a question.
Answer:
(C) An autobiography's primary purpose is to entertain but it is also considered factual.
This is because the story is about the author, and the author is the one writing the story. The author will try to entertain the readers about his life and story, but it is also factual because it is true.
Probably your thesis statement to make sure you havent strayed from your main theme