It was primarily to keep the United States neutral in foreign affairs<span> as much as possible he didn't believe it was smart for the new nation to involve itself in the </span>affairs<span> of other nations.</span>
Khufu's<span> main </span>accomplishment<span> was that he had the Great Pyramid of Giza built, which is now considered one of the seven wonders of the world. </span>
I believe that the time before the Civil War was the Antebellum Period.