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The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the American naval base at Pearl Harbor in Honolulu, Hawaii, just before 8:00 a.m. on Sunday, December 7, 1941. The United States was a neutral country at the time; the attack led the U.S. to formally enter World War II on the side of the Allies the following day. The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning.
The America First Committee (AFC) was an American isolationist pressure group against the United States' entry into World War II. Launched in September 1940, it surpassed 800,000 members in 450 chapters at its peak. The AFC principally supported isolationism for its own sake, and its varied coalition included Republicans, Democrats, farmers, industrialists, communists, anti-communists, students, and journalists – however, it was controversial for the anti-Semitic and pro-fascist views of some of its most prominent speakers, leaders, and members. The AFC was dissolved on December 11, 1941, four days after the attack on Pearl Harbor brought the United States into the war.
The Hull note, officially the Outline of Proposed Basis for Agreement Between the United States and Japan, was the final proposal delivered to the Empire of Japan by the United States of America before the attack on Pearl Harbor and the Japanese declaration of war. The note, delivered on November 26, 1941, is named for Secretary of State Cordell Hull. It was the diplomatic culmination of a series of events leading to the attack on Pearl Harbor. Notably, its text repeats previous American demands for Japan to withdraw from China and from French Indochina. No further American proposals were made before the attack on Pearl Harbor, as the US government had received intelligence that Japan was preparing an invasion of Thailand.
The vulnerability of Japanese naval codes and ciphers was crucial to the conduct of World War II, and had an important influence on foreign relations between Japan and the west in the years leading up to the war as well. Every Japanese code was eventually broken, and the intelligence gathered made possible such operations as the victorious American ambush of the Japanese Navy at Midway in 1942 and the shooting down of Japanese admiral Isoroku Yamamoto a year later in Operation Vengeance.
Sir William Samuel Stephenson, born William Samuel Clouston Stanger, was a Canadian soldier, fighter pilot, businessman and spymaster who served as the senior representative of the British Security Coordination (BSC) for the western allies during World War II. He is best known by his wartime intelligence code name, Intrepid. Many people consider him to be one of the real-life inspirations for James Bond. Ian Fleming himself once wrote, "James Bond is a highly romanticised version of a true spy. The real thing is... William Stephenson."
During the 1920s and 1930s, the United States Armed Forces developed a number of color-coded war plans that outlined potential U.S. strategies for a variety of hypothetical war scenarios. The plans, developed by the Joint Planning Committee, were officially withdrawn in 1939 at the outbreak of World War II in favor of five "Rainbow" plans developed to meet the threat of a two-ocean war against multiple enemies.
Various conspiracy theories allege that U.S. government officials had advance knowledge of Japan's December 7, 1941, attack on Pearl Harbor. Ever since the Japanese attack, there has been debate as to why and how the United States was caught off guard, and how much and when American officials knew of Japanese plans for an attack. In September 1944, John T. Flynn, a co-founder of the non-interventionist America First Committee, launched a Pearl Harbor counter-narrative when he published a 46-page booklet entitled The Truth about Pearl Harbor, arguing that Roosevelt and his inner circle had been plotting to provoke the Japanese into an attack on the U.S. and thus provide a reason to enter the war since January 1941. Flynn was a political opponent of Roosevelt, and had strongly criticised him for both his domestic and foreign policies. In 1944, a congressional investigation conducted by both major political parties provided little by way of vindication for his assertions, despite Flynn being chief investigator.
Burton Kendall Wheeler was an attorney and an American politician of the Democratic Party in Montana, which he represented as a United States senator from 1923 until 1947.
Germany–Japan relations were officially established in 1861 with the first ambassadorial visit to Japan from Prussia. Japan modernized rapidly after the Meiji Restoration of 1868, often using German models through intense intellectual and cultural exchange. After Japan aligned itself with Britain in 1900, Germany and Japan became enemies in World War I. Japan declared war on the German Empire in 1914 and seized key German possessions in China and the Pacific.
Opposition to World War II was expressed by the governments and peoples of all combatant nations to various extents. Initial reluctance for conflict in the Allied democratic nations changed to overwhelming, but not complete, support once the war had been joined. Some politicians and military leaders in the Axis powers opposed starting or expanding the conflict during its course. However, the totalitarian nature of these countries limited their effect. Noncombatant nations opposed joining the war for a variety of reasons, including self preservation, economic disincentives or a belief in neutrality in upon itself. After the war the populations of the former Axis powers mostly regretted their nations' involvement. In contrast, the people of Allied nations celebrated their involvement and the perceived just nature of the war, particularly in comparison with World War I.
The following events occurred in January 1941:
The following events occurred in December 1941:
A series of events led to the attack on Pearl Harbor. War between the Empire of Japan and the United States was a possibility each nation's military forces had planned for after World War I. The expansion of American territories in the Pacific had been a threat to Japan since the 1890s, but real tensions did not begin until the Japanese invasion of Manchuria in 1931.
Japan's attack on Pearl Harbor took place on December 7, 1941. The United States military suffered 19 ships damaged or sunk, and 2,403 people were killed. Its most significant consequence was the entrance of the United States into World War II. The US had previously been officially neutral but subsequently entered the Pacific War, and after Italy's declaration of war and Germany's declaration of war shortly after the attack, the Battle of the Atlantic and the European theatre of war. Following the attack, the US interned 120,000 Japanese Americans, 11,000 German Americans, and 3,000 Italian Americans.
The Air War Plans Division (AWPD) was an American military organization established to make long-term plans for war. Headed by Harold L. George, the unit was tasked in July 1941 to provide President Franklin D. Roosevelt with "overall production requirements required to defeat our potential enemies." The plans that were made at the AWPD eventually proved significant in the defeat of Nazi Germany.
William Rhodes Davis was a United States businessman whose oil interests involved him in furthering the strategic interests of Nazi Germany.
On 11 December 1941, four days after the Japanese attack on Pearl Harbor and the United States declaration of war against the Japanese Empire, Nazi Germany declared war against the United States, in response to what was claimed to be a "series of provocations" by the United States government when the U.S. was still officially neutral during World War II. The decision to declare war was made by Adolf Hitler, apparently offhand, almost without consultation. It has been referred to as Hitler's "most puzzling" decision of World War II. Publicly, the formal declaration was made to American Chargé d'Affaires Leland B. Morris by German Foreign Minister Joachim von Ribbentrop in the latter's office. Later that day, the U.S. declared war on Germany, with Germany's action having eliminated any remaining meaningful domestic isolationist opposition to the U.S. joining the European war.
Gerhard Alois Westrick was a German lawyer and businessman who represented several major American companies in Germany before World War II. He was known for his efforts during a trip to New York in 1940 to gain support for the Nazi government. Later he turned against the regime.
The following events occurred in March 1941:
The foreign policy of the United States was controlled personally by Franklin D. Roosevelt during his first and second and third and fourth terms as the president of the United States from 1933 to 1945. He depended heavily on Henry Morgenthau Jr., Sumner Welles, and Harry Hopkins. Meanwhile, Secretary of State Cordell Hull handled routine matters. Roosevelt was an internationalist, while powerful members of Congress favored more isolationist solutions in order to keep the U.S. out of European wars. There was considerable tension before the Attack on Pearl Harbor in December 1941. The attack converted the isolationists or made them irrelevant. The US began aid to the Soviet Union after Germany invaded it in June 1941. After the US declared war in December 1941, key decisions were made at the highest level by Roosevelt, Britain's Winston Churchill and the Soviet Union's Joseph Stalin, along with their top aides. After 1938 Washington's policy was to help China in its war against Japan, including cutting off money and oil to Japan. While isolationism was powerful regarding Europe, American public and elite opinion strongly opposed Japan.
References
- ↑ Chicago Tribune, December 4, 1941
- ↑ "The Big Leak". AMERICAN HERITAGE. Retrieved 2023-12-02.
- ↑ "Who Leaked America’s Secret War Plans Into Hitler’s Hands?", Marc Wortman The Daily Beast, March 24, 2017
- ↑ Kennedy, David Freedom From Fear pp. 486-487.
- ↑ "Who Leaked America’s Secret War Plans Into Hitler’s Hands?", Thomas Flemming, December, 1987
- ↑ Stevenson, Willian (1976). A Man Called Intrepid. Lyons Press; Illustrated edition (September 24, 2009). pp. 314–315. ISBN 978-1599211701.
- Liebeck, Martin W. (1990). Unknown future and a doubtful present : writing the victory plan of 1941. U S Govt. Printing Office. ISBN 0-16-019798-8. OCLC 948429558.