The thing that brought us into the war was Pearl Harbor. A Jap attack on the US naval base of Pearl Harbor on the Hawaiin island of Oahu on December/7th/1941.
WWII brought the US OUT OF THE DEPRESSION of the 1930's.
The sinking of the British Lusitania during World War I by a German sub. 128 of the dead were American. That incident has been considered one of the major factors in the US entering the war.
Britain DECLARED war on Germany after they invaded Poland in 1939.
The attack on Pearl Harbor, which took place on December 7, 1941, brought the United States into World War II. This surprise military strike by the Imperial Japanese Navy resulted in significant damage to the US Pacific Fleet in Hawaii and led to the US declaration of war against Japan the following day.
Gulf of Tulkon incident.
Both ships were the catalyst that brought the US into war. The sinking of the USS Maine brought us into the Spanish American War. And the Lusitania brought us into World War 1.
I really don't know
The Japanese
Franklin Delano Roosevelt and World War II brought us out of the Great Depression.
PEARL HARBOR
David Cameron
it was brought out by world war II, but most people want to think the war just made the depression worse.
Mexico
Mexico
I really don't know
That really depends upon which "us" you are referring to.
The bombing of the US Naval base at Pearl Habour, Hawaii