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1 It caused the most powerful industrial nation in the world to enter the war. For example we built more aircraft in one year than the Germans could build in four years. We built ships faster than the Germans and Japanese could sink them. As Stalin once said, "Quantity has a quality all its own."

2. America had been against joining the war. Pearl Harbor ended all resistance against joining the war in one day.

3. It changed a Navy attitude that the Battleship was the main naval weapon, that wars at sea would be settled by ships shooting it out with oneanother. Since most of our Battleships were sunk we were forced to use whatever we had. In that case it was the Aircraft Carrier. It didn't take long (Battles of Coral Sea and Midway) for the Carriers to prove the day of the Battleship was, for the most part, over. In those battles ships were sunk without ever seeing oneanother. The fighting between navies would no longer take place at distances of 20-30 miles, but in hundreds of miles.

The USA was a well educated and well prepared industrial nation that was able to produce weapons and fresh troops without having to constantly repair its own infrastructure. The British had been fighting the Germans for a number of years and were doing a good job of it, The USA had been supplying the the British with a fantastic amount of weaponry even before they became involved in WW2, however the Japs being stupid enough to attack the US caused Germany to declare war as well and it was on for young and old. the end result is that the us introduced fresh equipment and materials into the war and made absolutely sure that the debt incurred by Europe was repaid by her victorious Alys. The Japanese heirarchy were later rewarded by being made one of the wealthyest industrial nations in the world. And with only having to face perfungtory war crimes prosicutions.
Pearl Harbor was the naval base that the United States Navy had a large portion of their naval ships and servicemen stationed. When Japan bombed Pearl Harbor, Hawaii on 12/7/41 on a Sunday morning the Japanese severely crippled the ability for the naval force to wage war.

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10y ago
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18y ago

Let's see...Japan attacks Pearl Harbor on December 7, 1941. The very next day President Roosevelt goes before Congress and says, "Yesterday, December 7, 1941, a date that will in infamy, the American naval base at Pearl Harbor, Hawaii was suddenly and deliberately attacked by naval and air forces of the Empire of Japan...I ask the congress to declare that since this...attack a state of war has existed between the United States and the Japanese Empire." No, I don't think it had any significance at all. Michael Montagne *It was significant, but it was only the catalyst. The relationship between the US and Britain would have eventually brought the US into the war on the Allied side. Japan just pressed the matter.

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16y ago

The Japanese hoped to destroy the US ability to conduct war in the Pacific. While they succeeded in wiping out most of the battleships, they didn't catch the aircraft carriers in port. This changed the way the US operated and became an aircraft centric battle at sea.

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15y ago

The Pearl Harbor attack brought the US into WWII, making the war a GLOBAL WAR.

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14y ago

The bombing of Pearl Harbor made The US join World War II.

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12y ago

The attack on the US Naval Base at Pearl Harbor Hawaii by Japan brought the US into WW 2. The following day, Germany declared war on the US as well.

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11y ago

It brought the US into the war

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Q: How significant were the events at Pearl Harbor to the declaration of war by the United States in World War 2?
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The attack on Pearl Harbor is what brough the United States into WW2


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Pearl Harbor is in Hawaii, which is part of the United States. At the time Pearl Harbor was bombed, the United States had not yet decided to join the war. The United States were neutral.Japan was the country that bombed Pearl Harbor. Japan was an Axis Power.Because of the bombing, the United States decided to join the war. The United States became an Allied Power.


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