<span>The sentence which is the hook in this introductory paragraph is</span><span> For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials. The answer is letter B. This is the introductory paragraph because this explains the main idea of the paragraph and introduces the topic.</span>
The correct answer is brave.
Explanation:Make an argument" simply means "argue (for) something". If the person arguing does not advocate an idea, then you would explicitly say "make an argument against something", but in this it's no different from "to argue".
