they did stuff or in more detail: they were a neutral nation until 1917 when they entered the war
The United States entered the war after the bombing of Pearl Harbor.
america
They entered because they wanted to EDIT: Czechoslovakia never entered World War II. It was annexed by Germany before the war began.
Italy and France
Yes. The United States has always been an independent nation, so it would have naturally been independent when it entered the First World War.
The Scots (as a whole nation) never fought a war of independence.
It Never Entered My Mind was created in 1940.
"War should never be entered upon until every agency of peace is failed"
Yes, it was. The US was a powerful industrial nation, and just what the Allies needed to help turn the tide of the war.
Anyone who served their nation honorably in wearing the military uniform, in war or peace, is a veteran.
The allies entered the war in 1914; the US entered the war in 1917.