World War 1
nufin
nothing
The Treaty of Versaille ended World War I.
Reconnasissance (scouting).
yes
no one
They supposedly started the war.
LOTS
During World War 1 known at the time as The Great War, Hemingway drove an ambulance.
Canada played a much biggger part in World war two
Puerto Rico's role in World War 1 was non combative. In most cases, the Puerto Ricans would serve as doctors in American armies.