What is the main idea of the paragraph?

Which quotation correctly uses ellipsis to shorten twain’s words?

According to the author, what effect do the mounds mostly have on current society

You suspect that this article has left out some facts that might lead the reader to believe that someone else made the star-spangled banner. what is the best way to verify this? by consulting a variety of sources by disregarding the article entirely by writing a letter to the editor of the publication that printed the article by reading various historical accounts by verifying the opinions