Yanks ?
Peacoat (US)
US Military newspaper: Stars & Stripes
The colloquial name for them back home in the USA was "Doughboys".
The US invasion of Grenada to rescue US students and prevent a Cuban foothold there.
DESTINY
America
big apple
Uncle Sam
the eagle country, uncle Sam
US civil war
The Fierce Five
Nick Pankuch.
The Centennial State. Because Admitted to the US in 1876.
There was a gangster in US, 1930s I guess, 'Dutch' Schultz.
The States America US USA United States
Billy the kid
Chicago, Illinois is known as the Second City.