Japan Attacks America

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Section Chronology

Although the likelihood of war with Germany preoccupied Roosevelt, Hitler exercised a measure of restraint in directly provoking America. Japanese ambitions in in India and Burma, the French in Indochina (now Vietnam), and the Dutch in the East Indies (now Indonesia), the Japanese campaigned to preserve “Asia for the Asians.” Japan’s invasion of China — which had lasted for ten years by 1941 — proved that its true goal was Asia for the Japanese (Map 25.2). Japan coveted the raw materials available from China and Southeast Asia, and it ignored American demands to stop its campaign of aggression.

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Figure false: MAP 25.2 Japanese Aggression through 1941
Figure false: Beginning with the invasion of Manchuria in 1931, Japan sought to extend its imperialist control over most of East Asia. Japanese aggression was driven by the need for raw materials for the country’s expanding industries and by the military government’s devotion to martial honor.

CHAPTER LOCATOR

How did the United States respond to international developments in the 1930s?

How did the outbreak of war affect U.S. foreign policy?

How did the United States mobilize for war?

How did the Allies turn the tide in Europe and the Pacific?

How did the war change life on the American home front?

How did the Allies finally win the war?

Conclusion: Why did the United States emerge as a superpower at the end of the war?

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Figure false: Pearl Harbor Attack
Figure false: This Japanese postcard celebrates the successful surprise attack on Pearl Harbor on December 7, 1941, highlighting the airborne supremacy of the Japanese, the weak defenses of the United States, and the smoking destruction caused by Japanese carrier-based aircraft. Brothers Wesley and Edward Heidt from Los Angeles were one of thirty-four pairs of brothers killed when Japanese warplanes sank the battleship Arizona at Pearl Harbor.Museum of World War II, Natick, MA, www.museumofworldwarii.com.

In 1940, Japan signaled a new phase of its imperial designs by entering a defensive alliance with Germany and Italy — the Tripartite Pact. To thwart Japanese plans to invade the Dutch East Indies, in July 1941 Roosevelt announced a trade embargo that denied Japan access to oil, scrap iron, and other goods essential for its war machines. Roosevelt hoped the embargo would strengthen factions within Japan that opposed the militarists.

Instead, the American embargo played into the hands of Japanese militarists headed by General Hideki Tojo, who seized control of the government in October 1941 and persuaded other leaders, including Emperor Hirohito, that swift destruction of American naval bases in the Pacific would leave Japan free to follow its destiny. On December 7, 1941, 183 aircraft lifted off six Japanese carriers and attacked the U.S. Pacific Fleet at Pearl Harbor on the Hawai’ian island of Oahu. The devastating surprise attack sank all of the fleet’s battleships, killed more than 2,400 Americans, and almost crippled U.S. war-making capacity in the Pacific. Luckily for the United States, Japanese pilots failed to destroy oil storage facilities at Pearl Harbor and any of the nation’s aircraft carriers, which happened to be at sea during the attack.

The Japanese scored a stunning tactical victory at Pearl Harbor, but in the long run the attack proved a colossal blunder. The victory made many Japanese commanders overconfident about their military prowess. Worse for the Japanese, Americans instantly united in their desire to fight and avenge the attack. Roosevelt vowed that “this form of treachery shall never endanger us again.” On December 8, Congress endorsed the president’s call for a declaration of war. Both Hitler and Mussolini declared war against America on December 11, bringing the United States into all-out war with the Axis powers (Germany, Italy, and Japan) in both Europe and Asia.

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Figure false: Bombing of Pearl Harbor, December 7, 1941

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CHAPTER LOCATOR

How did the United States respond to international developments in the 1930s?

How did the outbreak of war affect U.S. foreign policy?

How did the United States mobilize for war?

How did the Allies turn the tide in Europe and the Pacific?

How did the war change life on the American home front?

How did the Allies finally win the war?

Conclusion: Why did the United States emerge as a superpower at the end of the war?

image LearningCurve

Check what you know.