This is what I found
The Nile River carries gold all throughout. Much of Ancient Egypt's gold was sourced from this massive river. The two significant sources of Egyptian gold was found in a place called Nubia toward the South and in the Eastern deserts. Much of this is now part of present-day Sudan.
People as in settlers? Or people as in American citizens?
In the Great Gatsby, F. Scott Fitzgerald famously depicted what the Jazz Age in New York during the 1920s looked like in that sense that it depicted the wild parties, loosening morality, and divide between new and old money and money and poverty that existed in the New York area and elsewhere.
South Korea because North Korea was a communist government and the US throughout history always fights against communism