how many years was the USA in WW2 (world war 2)?

Question

please help me i think it is four but please tell me how many years it was.

Answer 1

Dec 1941(Pearl Harbor) through August 1945 (Nagasaki). There were Americans fighting in the war prior to the entrance of the US, but as a nation we were involved for nearly 4 years.

Answer 2

The easy answer is 3 years (late 1941 into 1942-1945). More specifically, the war started for the US on December 8, 1941, the day after the bombing of Pearl Harbor. President Truman declared the war officially over in every respect on December 31, 1946. It would be better to just say from Pearl Harbor in 1941 to VJ Day in 1945, so about 3 years. It should be noted that the US supplied help to its soon-to-be allies in the form of supplies and even pilots before officially entering.

Answer 3

The U.S., helped Britain before this date, but only entered World War II on Dec. 7th, 1941 when Pearl Harbor, base of the US Pacific fleet, was attacked. The war ended in 1945 in both Europe and the Far East with the surrender of opposing forces to the Allies.

Answer 4

Dec. 1941 to 1945 and then 9 more years of reconstruction. Oh and the U.S. military is still in both Japan and Germany. Who knows how long those soldiers are going to be there. If you look at the online CIA factbook, Germany and Japan have a higher death rate and lower birth rate than Iraq.

Answer 5

they declared war on japan in december 1941 and it lasted until 1945 so 4 years technically but basically 3

Answer 6

With Russia on the different side, Germany might want to have nonetheless been stuck contained in the middle. possibilities are intense that the u . s . a . might want to nonetheless have invaded by Africa, besides the indisputable fact that it would want to were extra bloody, or come into Europe by Spain (which develop into between the alternative internet sites to invade Europe really of Normandy). Germany develop into not waiting to address Russia because it develop into. With the u . s . a . hitting from the different side, the proper result might want to be the same universal, yet extra bloody. besides the indisputable fact that, if the united kingdom sided with Germany and that left Germany hostile to the U.S., i imagine the u . s . a . might want to likely side with Germany over the U.S.. The chilly conflict initially began in 1919, the only resone that the U.S. develop into an best buddy develop into that Germany began the conflict with them and attacked first. Now, if the united kingdom had allied with Germany from the starting up, probability are the u . s . a . might want to have too. once you're searching at merely strive against numbers, the u . s . a . hostile to Germany, Italy, Japan, and the united kingdom might want to were a stalemate universal. the u . s . a . might want to shield itself and maximum-in all probability in a subject like that, the u . s . a . might want to easily stay out of it because it initially tried to do. mutually, invasion of Europe might want to be confusing for the u . s . a . with the addition of the Royal military. the u . s . a . might want to have merely considered it because the hot Europe and left it at that and likely might want to have even prevented Pearl Harbor if so because the u . s . a . would not were a probability hostile to targets in Asia and the Pacific. on the instantaneous, the u . s . a . initially merely wanted to be an isolationist.

Answer 7

from december 1941 to 1945

Answer 8

1942 to 1946

Answer 9

3 > years in war > 4

----EDIT-------
3 full years but 4 calander years