Answer: Was the Allied invasion of Nazi-occupied France via Normandy Largest amphibious invasion in history; opened a second front in Europe.

Which strategic concept does the path on the map best illustrate?

Answer: Island-hopping: bypassing strongly fortified Japanese positions to seize bases closer to the Japanese home islands. Generals MacArthur and Nimitz used island-hopping after Midway (1942) to seize strategic islands while bypassing others, progressing toward Iwo Jima and Okinawa to enable bombing of Japan, culminating in the atomic bombings of Hiroshima and Nagasaki.

The U.S. dropped atomic bombs on

Answer: Hiroshima (Aug 6) and Nagasaki (Aug 9), 1945; Japan surrendered shortly after Truman justified it as ending the war quickly; debate over its necessity continues.

AP US History · Topic 7.13

World War II: Military Practice

Part of Period 7: 1890–1945.

Practice questions

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Sample questions

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Sample 1difficulty 3/5
$D-Day (June 6, 1944)$
- A
  $Was the Allied invasion of Nazi-occupied France via Normandy$
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- B
  $Was a German amphibious counterattack on Allied bases$
- C
  $Was the U.S. Marine landing on Iwo Jima in the Pacific$
- D
  $Was a peaceful Allied occupation of liberated Paris$
Why
$Largest amphibious invasion in history; opened a second front in Europe.$
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Sample 2difficulty 3/5
$Which strategic concept does the path on the map best illustrate?$
- A
  $Reliance on Soviet ground forces to defeat Japan.$
- B
  $A direct frontal assault on the Japanese home islands beginning in 1942.$
- C
  $Total naval blockade of Japan with no troop landings.$
- D
  $Island-hopping: bypassing strongly fortified Japanese positions to seize bases closer to the Japanese home islands.$
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Why
$Generals MacArthur and Nimitz used island-hopping after Midway (1942) to seize strategic islands while bypassing others, progressing toward Iwo Jima and Okinawa to enable bombing of Japan, culminating in the atomic bombings of Hiroshima and Nagasaki.$
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Sample 3difficulty 3/5
$The U.S. dropped atomic bombs on$
- A
  $Hiroshima (Aug 6) and Nagasaki (Aug 9), 1945; Japan surrendered shortly after$
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- B
  $Pyongyang (Aug 6) and Seoul (Aug 9), 1945; Korea surrendered shortly after$
- C
  $Tokyo (Aug 6) and Osaka (Aug 9), 1945; Japan surrendered shortly after$
- D
  $Berlin (May 1) and Hamburg (May 8), 1945; Germany surrendered shortly after$
Why
$Truman justified it as ending the war quickly; debate over its necessity continues.$
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Sample 4difficulty 3/5
$"Having found the bomb we have used it... We have used it in order to shorten the agony of war, in order to save the lives of thousands and thousands of young Americans." — Harry S. Truman, August 9, 1945$
$The casualty data and Truman's statement together best support which historical interpretation of the atomic bombings?$
- A
  $Truman justified the bombings primarily as a way to end the war quickly and avoid massive Allied casualties projected for an invasion of Japan.$
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- B
  $Truman believed the bombings would have minimal effect on the war's outcome.$
- C
  $The bombings were primarily intended to coerce the Soviet Union, with no military rationale.$
- D
  $Japan had already surrendered before the bombings, making them militarily unnecessary.$
Why
$U.S. planners projected hundreds of thousands of casualties for an invasion of Japan (Operation Downfall). Truman publicly justified Hiroshima and Nagasaki on this basis, though historians debate other motives, including signaling to Stalin in the emerging Cold War.$
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