1. Foreign Policy Changes
U.S. Inches Towards War
Foreign Policy Changes

2. Lend-Lease Act (March 1941)
USA inches towards War
Neutrality Acts ( )
Lend-Lease Act (March 1941)
Atlantic Charter (Aug. 1941)

3. Atlantic Charter Churchill & Roosevelt sign charter
(Aug 1941)
Upheld right to free trade & choose your own government

4. Roosevelt & Churchill German Submarines (U-boats)
Atlantic Charter Signing

5. SEPTEMBER 1941: U.S. were now ordered to shoot
German Submarines on sight!
German U-BOATS are Submarines

6. United States Pursued a Policy of Isolationism
Controlled Philippine Islands & Guam
U.S. feared Japan would take these areas
Sent aid to China against Japan
Cutoff oil shipments to Japan (July 1941)
Critical factor in Japan’s attack on USA

7. Japan felt vulnerable in Pacific
“A dagger pointed at our throat” Yamamoto

8. United States U.S. had cracked the Japanese secret military code.
U.S. knew an attack may come: did not know where or when
Poor communication in U.S. military

9. Primary Source: FDR’s Letter to Japan
Franklin Delano Roosevelt
President of United States
March 4, 1933 – April 12, 1945