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Zorluk: ZorWorld War II: Military Campaigns and Postwar Planning

“The leaders of the three Great Powers—the Soviet Union, the United States of America and Great Britain—have agreed that in two or three months after Germany has surrendered and the war in Europe has terminated the Soviet Union shall enter into the war against Japan on the side of the Allies on condition that:

1. The status quo in Outer Mongolia... shall be preserved;
2. The former rights of Russia violated by the treacherous attack of Japan in 1904 shall be restored, viz.:
(a) the southern part of Sakhalin as well as all the islands adjacent to it shall be returned to the Soviet Union...”
— Agreement Regarding Japan, Yalta Conference (February 1945)

Which of the following historical developments best explains the willingness of the United States to agree to the terms outlined in the excerpt?

  1. A
    The implementation of the containment doctrine to prevent Soviet expansion in East Asia
  2. The U.S. desire to secure Soviet military assistance in the Pacific theater prior to the completion of the Manhattan ProjectCevap
  3. C
    A return to traditional U.S. isolationist policies to avoid long-term entanglements in the Eastern Hemisphere
  4. D
    The extension of the Monroe Doctrine to protect newly sovereign nations in the Western Pacific

Cevap

The U.S. desire to secure Soviet military assistance in the Pacific theater prior to the completion of the Manhattan Project
The correct option is correct because in February 1945, U.S. military planners estimated that an invasion of the Japanese mainland would result in severe casualties. Because the atomic bomb had not yet been successfully developed or tested, securing a Soviet commitment to open a second front against Japan in Manchuria was a critical strategic objective, leading President Roosevelt to accept Stalin's demands for territorial concessions in East Asia.

Adım Adım Çözüm

1
Analyze the source and context.
The excerpt is from the Yalta Conference Agreement Regarding Japan, signed in February 1945 by the Big Three (FDR, Churchill, and Stalin).
Understanding the timing and participants establishes the geopolitical context of the war before Germany's surrender and the atomic bomb test.
2
Examine the military situation in the Pacific in early 1945.
The United States was anticipating a massive, highly costly amphibious invasion of the Japanese home islands, and the Manhattan Project had not yet tested a working nuclear weapon.
This explains why American military planners prioritized bringing the Soviet Union into the war against Japan to divide Japanese forces.
3
Connect the military necessity to the diplomatic concessions.
To incentivize Soviet participation, President Roosevelt agreed to restore Russian territories and privileges in Asia lost during the 1904–1905 Russo-Japanese War.
This establishes the link between the terms of the agreement and the primary U.S. objective of securing Soviet military entry into the Pacific conflict.

Anahtar Kavram

Wartime Diplomacy and Postwar Planning at the Yalta Conference
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Konular

World War II: Military Campaigns and Postwar Planning

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