Examples:

• You have committed an act of war against the Asgard.
• It was a question, Carrie, not an act of war.
• If this is intentional, it's an act of war.
• Any harm to me would be an act of war.
• This crime is nothing else but an act of war.
• This is an act of war and they will pay.
• What happened here was an act of war.
• It was a question, Carrie, not an act of war.
• This is not an act of war, but of love.
• People in my country consider this... an act of war.