1. Discussing Primary Recourses What can you recall about the Zimmerman Telegram from the unit on WWI? Who was it addressed to? Who was it from? Why was it written? How was it written? Warm Up

2. Problem-Solve You and your partner have to send a message to another group. The message is about a secret mission and a surprise attack on the enemy. If the enemy intercepts the message, it will no longer be a “surprise” and the enemy will be prepared for the attack. What are some possible solutions? ©2012, TESCCC

3. Cryptography: writing in code; write something that is readable to something that is unreadable by the enemy. The U.S. struggled with coding because Germany was able to decode encrypted information. BIG PROBLEM: How to solve it? ©2012, TESCCC

4. Today we will be talking about the Navajo Code

5. U.S. Mobilization and War on Two Fronts

6. U.S. Gets Pulled Into War: Pearl Harbor Aircraft and midget submarines of the Imperial Japanese Navy began an attack on the U.S naval base under the command of Admiral Chuichi Nagumo The attack was devastating in loss of life and damage to the U.S. fleet. At 06:05 on December 7, 1941 the six Japanese carriers launched a first wave of 183 aircraft composed mainly of dive bombers, horizontal bombers and fighters.

7. Scenes from Pearl Harbor, Hawaii on December 7, 1941

8. This attack takes the United States from a stance of neutrality in WWII to a declaration of war that will occur on two fronts: Europe to fight Nazi Germany and Fascist Italy: the war in Europe was predominately fought on land Europe to fight Nazi Germany and Fascist Italy: the war in Europe was predominately fought on land The Pacific Realm to fight Imperialist Japan: the war in the Pacific was fought both at sea and on land The Pacific Realm to fight Imperialist Japan: the war in the Pacific was fought both at sea and on land

9. United States Mobilizes Domestic (industry’s rapid mobilization) – American industry began converting America's industrial base to produce armaments and other war material, rather than civilian goods. Mobilization increased after 1941 when the U.S. declared war on the Axis powers. Domestic (industry’s rapid mobilization) – American industry began converting America's industrial base to produce armaments and other war material, rather than civilian goods. Mobilization increased after 1941 when the U.S. declared war on the Axis powers. This was crucial in the defeat of the Axis powers.

10. International (relationship with allies) – Roosevelt’s relationship with Winston Churchill led to the Lend Lease Act which allowed the U.S. to support Britain’s war effort before the U.S. entered the war International (relationship with allies) – Roosevelt’s relationship with Winston Churchill led to the Lend Lease Act which allowed the U.S. to support Britain’s war effort before the U.S. entered the war

11. The development of conventional weapons Higgins boat (used for D-Day invasion of Normandy) Tanks Bombers

12.  “Liberty” cargo ships – Merchant Marines is the fleet of U.S. civilian- owned merchant vessels, operated by either the government or the private sector, that engage in commerce or transportation of goods and services in and out of the navigable waters of the United States. The Merchant Marine is responsible for transporting cargo and passengers during peace time. In time of war, the Merchant Marine is an auxiliary to the Navy, and can be called upon to deliver troops and supplies for the military

13. Gliders Gliders C-47 Planes that pull gliders into the air.Glider planes have no engines. Why were they used? How do you get it back if it doesn’t have an engine. Why they are so cool.

14. Torpedoes Torpedoes Improved submarines Improved submarines The M1 rifle (first semi-automatic rifle) The M1 rifle (first semi-automatic rifle) Flamethrower Flamethrower

15. How American patriotism inspired exceptional actions by citizens and military personnel The Navajo Code Talkers – Navajo American Indians were recruited by the military to encode, transmit and decode messages; the Navajo language was used to develop a code that was not broken by the enemy The Navajo Code Talkers – Navajo American Indians were recruited by the military to encode, transmit and decode messages; the Navajo language was used to develop a code that was not broken by the enemy

16. In cryptography, encryption is the process of encoding messages (or information) in such a way that eavesdroppers or hackers cannot read it, but that authorized parties can. Primary Source http://www.youtube.c om/watch?v=Yq2Cp1 DUOWc