US History: World War II: Challenge

# Hard Level Guide Stretch thinking with multi-step problems, application questions, and deeper reasoning. # Road to War Aggression by Japan, Italy, and Germany in the 1930s destabilized the world. US neutrality eroded with Lend-Lease aid to Allies. Japan attacked Pearl Harbor on December 7, 1941, bringing the US into the war. # Fighting the War The war split into European and Pacific theaters. D-Day (June 6, 1944) opened the Western front in Europe. Island hopping advanced in the Pacific. The atomic bombs on Hiroshima and Nagasaki ended the war with Japan in 1945. # The Home Front Rationing, war bonds, and Rosie the Riveter symbolized civilian mobilization. Japanese American internment was a grave civil rights violation. African Americans and women challenged discrimination while contributing to victory. # Holocaust and Aftermath Nazi Germany systematically murdered six million Jews and millions of others. Liberation of camps revealed the Holocaust's horror. The United Nations formed in 1945. The US emerged as a superpower, entering the Cold War era.