C because technology has made the world what is it
<span>A central or a main idea is an idea around which your entire paper or essay or paragraph or whatever it is you're writing, revolves. You have a central idea that you're trying to convey and everything you write or say somehow relates to that idea and proves a point that you're trying to make.</span>
<span> to inform the reader of his journey of discovering his kiowa background and identity.</span>