The topic or key idea that holds a story together is called the
theme
main idea
purpose
symbol

I think Main Idea because The main idea is what the story is about.

Explanation:

And the theme is the message

Purpose is why it was written

And Symbol is person, object, place, etc..

owen made and ideal hero because he had all the gret aspects of a good superhero

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.