7.1 - Shifting Power After 1900
7.2 & 7.3 - WW1
7.4 - Economy in the Interwar Period
7.5 - Unresolved Tensions After WW1
7.6 - Causes of WW2
7.7 - Conducting WW2
7.8 - Mass Atrocities After 1900
7.9 - Causation in Global Conflict