How internal and external factors contributed to change in various states after 1900
The causes and consequences of World War 1
How governments used a variety of methods to conduct war
How different governments responded to economic crisis after 1900.
Continuities and changes in territorial holdings from 1900 to the present.
Causes and consequences of World War 2.
The similarities and differences in how governments used a variety of methods to conduct war.
The various causes and consequences of mass atrocities in the period from 1900 to the present.
The relative significance of the causes of global conflict in the period 1900 to the present.