The antonym of the word <u>counteract</u><em> </em>is assist.
An apostrophe is when the poetic voice directly addresses someone or something that is not there. So, "to the dead" would be an apostrophe, because the poetic voice is speaking specifically to them, and the dead can't actually hear the voice or respond to it.
The main idea is the sum of the plot, basically. So you should ask, "What is the most important thing happening?"
In "The Incredibles", the Main Idea is that family takes care of family.
In "Unwind", the Main Idea is that all lives have value.
In most children's shows, the Main Idea is teamwork or friendship makes people stronger.