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Question: When did the United States officially join World War II!?
What was the date!? And what led them to join!?Www@QuestionHome@Com


Best Answer - Chosen by Asker:
President Roosevelt asked Congress to declare war on Japan on December 8, 1941 and it passed 82-0 in the Senate and 388-1 in the House!. This was a result of the bombing of Pearl Harbor, Hawaii the day before by Japanese planes!.

The U!.S!. declared war on Germany and Italy on December 11 in response to declarations of war on America by Hitler and Mussolini!.Www@QuestionHome@Com

As have some of the others have said, the official date was December 8, 1941, one day after the base of Pearl Harbor in Hawaii was attacked by Japanese forces!.

A few days after President Roosevelt announced the declaration of war against Japan, Hitler of Germany declared war against the US, as Germany was an ally of Japan!. Italy also declared war on the United States, also being an ally of Germany and Italy!.

However, evidence has been suggested that Roosevelt knew as much as one year in advance Japan was going to attack the United States!.

Officially the United States was not in the war before December 8, 1941!. But the country was supplying weapons to the United Kingdom (Britain) for their aid against Hitler and the Nazis!.Www@QuestionHome@Com

" Yesterday, December 7, 1941 - a date which will live in infamy - the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan!.!.!.!.!.

!.!.!.!.I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, Dec!. 7, a state of war has existed between the United States and the Japanese empire!.", FDR on 12/8/41 addressing the Congress!.Www@QuestionHome@Com

Roosevelt asked Congress to declare war on December 8, 1941, one day after the Japanese attacked the Pacific Navy while at anchor in Pearl Harbour!.

Previous to this, The United States pad passed the Lend-Lease Act which enabled massive amounts of money and materials to be "loaned" to Britain, Canada and other allied nations in order to fight the Axis powers!.Www@QuestionHome@Com

well, the usa 'officially' entered into WW2 on dec!.8, 1941 at 8am when , in washington, dc, the congress voted 100% (without ommisions) to declare war against japan!. the attack on pearl harbor was one day earlier!. germany and italy declared war on the usa within two days after the usa declared war on japan!. so, and for the record, the usa was fully and officially into the war by dec!. 15th, 1941!.Www@QuestionHome@Com

The actual date that the U!.S!.A officially enter WWII is December 8, 1941 against Japan, and December 11!. 1941 against Germany and Italy!. What caused us to enter is that, #1 Japan bombed Pearl Harbor, and invaded places like the philippies and guam!. #2 Germany and Italy saw the chance to delcare war!. So thats why we delcared war backWww@QuestionHome@Com

December 8, 1941!. Following the attack on Pearl Harbor by the Naval Air Forces of the Empire of Japan the day before, the US declared war upon Japan!. Hitler declared war on the US on December 11, and the US followed suit the next day!.Www@QuestionHome@Com

December 8, 1941, when President Roosevelt made a speech before Congress and asked them to declare war!. We had previously been trying to remain neutral, though we clearly were helping the British!. After Pearl, however, all that changed!.Www@QuestionHome@Com

Officially Congress declared war on Dec 8th, 1941!. We became involved in the European portion of that war on Dec 11th after Nazi Germany declared war on the US!.Www@QuestionHome@Com

The date was December 11, 1941 and they joined because Japan attacked the American base at Pearl Harbor, Hawaii!. I was in fifth grade last year and my teacher made us learn all about World War 2!.Www@QuestionHome@Com

The U!.S!. announced that a state of war existed with Japan right after 12-7-1941!. Shortly thereafter, Hitler declared war on the U!.S!. and the U!.S!. was involved in all parts of WWII!.Www@QuestionHome@Com

The attack on Pearl Harbor!. Dec 7, 1941Www@QuestionHome@Com