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Yes, the United States were well prepared for the attack on the Pearl harbor since it had broken the Japanese secret code.

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Q: The US was well prepared for the attack on Pearl Harbor since it had broken the Japanese secret code?
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How was the Japanese attack at Midway foiled?

The Japanese had planned a surprise attack on Midway. The surprise was foiled because the US had broken Japan's military code and the US was prepared for the attack.


On Pearl Harbor did the US ever undo the code?

Yes, the code was already broken right before the attack on Pearl Harbor even started. President Roosevelt already knew about the Japanese was going to attack Pearl Harbor, but he didn't know for sure if it was true. Yes, the code was already broken right before the attack on Pearl Harbor even started. President Roosevelt already knew about the Japanese was going to attack Pearl Harbor, but he didn't know for sure if it was true.


Why had diplomatic negotiations broken down during Pearl Harbor?

Diplomatic Negotiations were going on before the attack. They had not "broken down". That was a myth. These negotiations were taking place in the United States. The Japanese representatives in the US did not know that the Japanese government in Tokyo, in late 1941, had no intention of solving the issues with negotiation. Instead the Japanese leaders in Tokyo used the negotiations as a ruse and a false excuse for the attack.


Who was attack during Pearl Harbor?

Personnel killed during the attack on Pearl Harbor are broken down as follows: Navy - 1998, Marine Corps - 109, Army - 233, Civilian - 48, Japanese - 64 Of the US total, 1177 were sailors and marines from the USS Arizona. (Some reference sources may have slight variations in these numbers)


How did the Japanese come so unexpectedly in Pearl Harbor?

japan launched a suprise assault on pearle harbor on dec 7th i believe. they bombed the smalll island which was at the time was home dock for many of Americas navel fleet. the bombing was unexpected an led to many ships of Americas fleet to be sunk killing many sailers. this act by japan is what brought USA into WW2. best i can do from what i remember of history class ;)

Related questions

How was the Japanese attack at Midway foiled?

The Japanese had planned a surprise attack on Midway. The surprise was foiled because the US had broken Japan's military code and the US was prepared for the attack.


On Pearl Harbor did the US ever undo the code?

Yes, the code was already broken right before the attack on Pearl Harbor even started. President Roosevelt already knew about the Japanese was going to attack Pearl Harbor, but he didn't know for sure if it was true. Yes, the code was already broken right before the attack on Pearl Harbor even started. President Roosevelt already knew about the Japanese was going to attack Pearl Harbor, but he didn't know for sure if it was true.


Was there any debate in Pearl Harbor?

well obviously there was because there was an agreement of no intervention with pearl harbor in which was broken with the attack


Why had diplomatic negotiations broken down during Pearl Harbor?

Diplomatic Negotiations were going on before the attack. They had not "broken down". That was a myth. These negotiations were taking place in the United States. The Japanese representatives in the US did not know that the Japanese government in Tokyo, in late 1941, had no intention of solving the issues with negotiation. Instead the Japanese leaders in Tokyo used the negotiations as a ruse and a false excuse for the attack.


What was the conspiracy theory about Pearl Harbor?

That president Roosevelt and other senior government officials knew the attack would happen, and would use it as an excuse to enter WWII. There is no shred of hard evidence saying this, just a lot of second or third hand stories. While the Americans had broken a Japanese diplomatic code, information on the attack was not sent in this code. All the Japanese would have had to do to short-circuit such a scheme, is *not* attack Pearl Harbor. Since they did, and it is inconceivable that the attack would not lead to war, what would such a conspiracy accomplish? The same thing that would have happened anyway!


Who was attack during Pearl Harbor?

Personnel killed during the attack on Pearl Harbor are broken down as follows: Navy - 1998, Marine Corps - 109, Army - 233, Civilian - 48, Japanese - 64 Of the US total, 1177 were sailors and marines from the USS Arizona. (Some reference sources may have slight variations in these numbers)


What knowledge did the US have that influenced the outcome of the Battle of the Midway?

The Japaneses naval code was broken by the allies, and imminent attack plans by the Japanese was decoded by the allies.


Did the Allies know about the Japanese intention to attack Pearl Harbor?

No, not really. The specific Japanese plans to attack the US Air & Naval Bases at Hawaii were very secret, as were the Japanese plans to attack Wake Island, Guam, the Philippines, the Dutch East Indies, Malaya, Burma, Hong Kong and the Gilbert Islands. As tensions increased between the US & Britain with Japan, from mid-1940 onward, the United States & Britain increased military defenses across the Pacific. The US & Britain each considered it very likely that, if war came, then the Japanese would strike Malaya, Singapore, Burma, the Philippines, the Dutch East Indies, and Wake Island. The United States fleet moved from San Diego, California to Pearl Harbor, Hawaii in June 1940 to serve as a warning to the Japanese to refrain from aggressive actions in the Pacific. Although the United States had mostly broken the Japanese diplomatic code, it could not read messages by the Japanese military (army or navy). The US & Britain knew that Japan intended to go to war with them, but not specifically when, or where the attacks would come. Also the US & British watched Japanese shipping & troop movements in the ocean south of Japan, to help determine about the timing of Japanese attacks in that area. In the first week in December 1941, it was looking like war was about to come within a few days or a week. On December 6, intercepts of Japanese diplomatic code lead US naval & army intelligence to believe that war was now just hours or days away. There was still no way to know for sure where the Japanese would attack. Remember Japanese diplomats had no access to Japanese military plans, and reading their messages would not help determine targets. The US military planners believed the Japanese would attack the US in the Philippines, Guam and Wake Island. However there was not any real thought that Japan would attack Hawaii to start the war. Possibly because of the great distance & time need to travel from the nearest Japanese naval bases in Japan. In my opinion, the primary US failure at Pearl Harbor was the mistaken belief that Pearl Harbor was outside the danger zone for any large surprise Japanese attack. This was a failure on the most part by the local US commanders (Admiral Kimmel & General Short) in Hawaii, as evidenced by their shortcomings in defensive preparations, especially against air attack. The navy had taken some measures to protect the harbor from submarines. The army was most concerned about sabotage from Japanese living in Hawaii. So, in the end, the Japanese surprise attack on Pearl Harbor on December 7, 1941 was a surprise to the local US forces and a surprise to US leaders in Washington, DC. The surprise was not that Japan was going to atack, just where!


What was not broken during the Pearl Harbor?

Nationalism


How did the US government treat the US Japanese citizens after the attack on Pearl Harbor?

The US and Canada interned their Japanese citizens in horrible camps illegally. The Supreme Court determined the US Government had broken the constitution when they interned the Japanese people, took their homes and possessions and shut down their businesses.The camps were not suitable or habitable for humans to live in. They were kept in these camps until up to a year after the war was over. An excellent book to read is Farewell to Manzanar to learn what the Japanese went through and how mistreated they were when they were innocent citizens.


What island in the north Pacific Ocean was an American victory over Japan?

This was a failed attack against the US base at Midway. The island was northwest of Hawaii. The Japanese raid on the island was foiled because the US had broken the Japanese military codes and knew when the attack was planned. The Japanese were caught off guard and lost the battle there.


How did the Japanese come so unexpectedly in Pearl Harbor?

japan launched a suprise assault on pearle harbor on dec 7th i believe. they bombed the smalll island which was at the time was home dock for many of Americas navel fleet. the bombing was unexpected an led to many ships of Americas fleet to be sunk killing many sailers. this act by japan is what brought USA into WW2. best i can do from what i remember of history class ;)