Complex sentence: David Archibald Harvey (March 20,1845-May 24,1916) was a member of the United States House of Representatives from Oklahoma Territory and the first person to represent Oklahoma at the federal level.
Split into simpler sentences: David Archibald Harvey (March 20,1845-May 24,1916) was member of the United States House of Representatives from Oklahoma Territory. He would be the first person to represent Oklahoma at the federal level.