1941
during worl war 2
It wanted to stay isolated. It did not want to get involved into a 'European' affair. The German sinking of the Lusitania was a reason the U.S. entered Worl War I and the Japanese bombing of Pearl Harbor, Hawaii was the reason the U.S. entered World War II.
Japan attacking the US in a battle called PEARL HARBOR
Which war?
The US did enter World War 1, though not till 1917.
Almost anywhere, Europe, South Pacific, Asia, Alaska, South America, Africa of the US.
Sputnik didn't humiliate the US; it triggered the space race and heightened Cold War tensions.
Africa
the us decided to enter world war because they want the resources of France, and they want to keep on ruling france.
The US entered the war in April of 1917 and were on the Allies side.
The Vietnam war