| 1N-01 | History of distrust between ethnic groups | 
  
    | 1N-02 | One ethnic group has greater political/economic power than
    another | 
  
    | 1N-03 | Religion of sides differs | 
  
    | 1N-04 | Areas adjacent to "non-status quo" side contain
    people who aspired to join it | 
  
    | 1N-05 | Impending emergence of an independent homogeneous state
    stimulates aspirations of related people elsewhere | 
  
    | 1N-06 | Conflict among nomadic groups for scarce resources leads to
    conflict | 
  
    | 1N-07 | Both sides have economic and social problems with refugees | 
  
    | 1N-08 | One side able to use refugees or ethnic forces of the other
    side as proxies | 
  
    | 1N-09 | Pressure groups created of refugees and their supporters | 
  
    | 1N-10 | Sudden influx of population into area | 
  
    | 1N-11 | Substantial migrant worker population | 
  
    | 1N-12 | Difference in population density between sides |