Previous research has demonstrated that temperamental characteristics and facial structure can be related (brown and jones, 1990; arcus and kagan, 1995). (two things in citations to catch here)

Citations are references such as books. The answer would be Brown and Jones, 1990 and Arcus and Kagan, 1995.

Both men foresaw the us as a great future power. however, they differed on the path the nation was to follow in achieving this role. while jefferson preferred an agrarian nation, hamilton favored an industrial and business intensive nation. as such, jefferson detested hamilton's idea of a strong federal government. jefferson wanted the bulk of power to rest with the states. these major views were behind polarizing washington's cabinet into two distinct factions. hamilton's followers became known as federalists and jefferson's democratic-republicans.