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Because in the summer of '41, the US froze Japanese assets, effectively cutting off their ability to purchase American oil, which was powering the Japanese military. The Japanese also saw FDR's meeting with Winston Churchill, PM of Great Britain as a threat, as they were extremely paranoid of western domination in the Asian countries. The Japanese govt. tried to negotiations with the US, but the US insisted that Japan withdraw from China - something that Japan wouldn't consider. By October, the two nations were at a stalemate, and Japanese oil stockpiles were beginning to be impacted... and so they launched an attack on the US.
See: http://video.answers.com/the-japanese-ultimatum-on-the-us-516911315
What else can I help you with?
What would happen if japan did not attack pearl harbor?
The US would have still gone to war; Japan also attacked the Philippines.
Why it was unwise for Japan to attack Pearl Harbor?
The aim of the Pearl Harbor attack was to cripple the US Pacific Fleet so that the US would not have any opportunity to wage war against Japan. The US would then realise it could not defeat Japan and make peace without the need to fight a war. This strategy failed because the attack enraged the US, ensuring that it would fight Japan, and because it failed to completely cripple the US Pacific Fleet (in particular, none of the aircraft carriers were damaged, and all of them would be used against Japan).
Who told the US that China would attack Pearl Harbor?
China did not attack Pearl Harbor, Japan did.
What got us into war with japan?
well the rest of the world was already at war, but japan feared that we would attack them, so they bombed pearl harbor before we could attack them
Why was it unwise for the Japanese to attack Pearl Harbor?
The aim of the Pearl Harbor attack was to cripple the US Pacific Fleet so that the US would not have any opportunity to wage war against Japan. The US would then realise it could not defeat Japan and make peace without the need to fight a war. This strategy failed because the attack enraged the US, ensuring that it would fight Japan, and because it failed to completely cripple the US Pacific Fleet (in particular, none of the aircraft carriers were damaged, and all of them would be used against Japan).
What did the japan attack the us with?
planes
Did the US expect Japan to attack?
There are books written that state that the US knew about it. There are also books that say Elvis is alive. The US suspected there would be an attack. They did not think Japan had the resources to mount such a large attack at such a distance from the home islands. Communications had been intercepted that SHOULD have given the US warning, but they were not decoded and translated until after the attack. Military and Naval Intelligence believed the blow would fall on the Philippines.
What was LTC Doolittles mission in the US reponse to attack?
to attack japan.
When did japan attack us?
in the year 1945
The us was unprepared for the attack on pearl harbor because the government belived that japan would what?
Reach an agreement
Did Japan attack Pearl Harbor to shame us?
The attack by Japan was an attempt to destroy our Naval capabilities, not to shame us. If our aircraft carriers had been in port we may have lost significant military might that would have impacted the outcome of the war.
What conflict led Japan to attack the us and European colonies in southeast Asia?
there wasnt really a conflict that caused Japan to attack the US. the US was not at war with Japan until after Pearl Harbor, in which the Japanese were the aggressors.
