The document describes the seven characteristics of a civilization as they apply to the United States: 1) A highly developed way of life seen through important infrastructure like bridges and museums. 2) Freedom of religion with major churches representing Catholicism, Judaism, and Islam. 3) Advanced forms of communication including email, texting, social media, and letters. 4) Groundbreaking technologies like airplanes and computers. 5) A democratic government with elections and separation of powers. 6) A social structure from impoverished to middle class to wealthy. 7) A stable food supply from diverse farms across the country.