Road to WWI
War in the Atlantic
War in the Mediterranean
Defense in the Pacific
Offense in the Pacific
100

This British battleship, commissioned in 1906, was the most advanced in the world at the time of its construction. Made al earlier battleship designs obsolete 

HMS Dreadnought 

100

Churchill called this campaign the “dominating factor all through the war.”

Battle of the Atlantic

100

The main reason for the delay of the Allied invasion of France

Shortage of landing craft

(Also acceptable: Lack of training/experience in amphibious warfare)

100

This battle is also called the turning point of the war in the Pacific 

Battle of Midway

100

This airfield on Guadalcanal became the center of a major campaign in the Solomons.

Henderson Field

200

Britain’s policy of maintaining a navy larger than the next two combined was called this.

Two power standard

200

Karl Dönitz’s strategy aimed to sink more Allied merchant shipping than the Allies could replace.

Tonnage Doctrine 

200

The primary strategic objective of Allied operations in the Mediterranean 

Force Hitler to divert forces to defend Italy

(Also acceptable: Knock Italy out of the war or relieve pressure from the USSR on the Western Front)

200

U.S. sanctions and the embargo of this good was a major threat to the Japanese war machine and threatened their total collapse.

Oil

200

This battle is significant because it resulted in the end of Japanese air power 

Battle of Philippine Sea

300

This 1916 battle was a tactical win for Germany in terms of ships destroyed or damaged, but a strategic win for Britain 

Battle of Jutland

300

The British system the U.S. was initially slow to adopt against U-boats was this.

Escorted convoy system

300

The plan for the Allied invasion of France was called

Operation Overlord

300

The most notable of the early aircraft raids on the Japanese mainland

Doolittle Raid

300

This battle marked the first use of organized kamikaze attacks by the Japanese Navy.

Battle of Leyte Gulf

400

Germany shifted toward this naval strategy after Jutland to try to weaken Britain’s war effort.

Unrestricted submarine warfare 

400

This codebreaking effort let the Allies read German naval communications.

Project Ultra 

400

The workhorse of Allied amphibious operations in the Mediterranean (Name of landing craft)

LCVP or Higgins Boat

400

This battle was the first naval battle fought entirely by carrier aircraft, with neither fleet seeing the other directly.

Battle of the Coral Sea

400

The only campaign in the Pacific theater where American losses exceeded that of the Japanese

Iwo Jima

500

This intercepted 1917 message proposed a German alliance with Mexico and helped push the U.S. toward war.

Zimmerman Telegram 

500

These two technologies or methods helped turn the tide in the Atlantic by improving U-boat detection and attack.

RADAR and HF/DF

(Also acceptable: sonar, maritime patrol aircraft, Hedgehog, hunter-killer groups.)

500

This Allied operation was planned as a distraction for the landings at Normandy

Operation Anvil

500

At Midway, the U.S. Navy had this key intelligence advantage over Japan.

JN-25 code was broken and the details of the Japanese invasion plan were known 

500

This Japanese battle plan was used during the Battle of Leyte Gulf and involved the division of Japanese forces into three groups to try and catch the U.S. Navy in a pincer movement 

Sho Go Plan