Main ConceptsGlobal conflicts in the 20th century were caused by political, economic, and ideological tensions, led to total war and mass atrocities, triggered technological and social changes, and set the stage for decolonization and new global power structures.
Cause & Effect Chart WWI, WWII & DecolonizationÂ
         The Fallen of WWII         Worth it! (18 min)
Unit 7: Heimler History Videos
Unit 7.1: Power ShiftsAfter 1900
Unit 7.2: Causes of WWI
Unit 7.3: Conducting WWI
Unit 7.4: Economy in the Interwar Period
Unit 7.5: Unresolved Tensions after WWI
Unit 7.6: Causes of WWII
Unit 7.7: Conducting WWII
Unit 7.8: Mass Atrocities 1900-Present
Crash Course Videos
Review these slides in order to best understand Unit 7