I'm pretty sure it was Thomas Jefferson (president at that time) because he sent Lewis and Clark on the journey.
Sitcoms in the 1950's were, by today's standard, very stereotypical. There was no focus on minorities or family issues that were taboo at the time. They portrayed normal white middle-class families with a houswife, two children, and a hard working father. Think of Leave It To Beaver or I Love Lucy type shows.
It rose from the ruins of Ancient Greek
The first one the change from nation to empire through imperialism