In order to compare and explain the political instability experienced by the three countries in question it is important to assign a suitable model to the case. In this scenario Sartori's1 typology of party systems is perfect as all three of the countries fall into the category labelled polarised pluralistic party systems. Characteristics include five or more relevant parties, anti-system parties, bi-lateral oppositions, highly ideologically polarised parties with the political centre ground being occupied and a strong centrifugal force present. The system will also be ideologically over-heated and oppositions are usually irresponsible which leads to the politics of outbidding where parties begin to try and out do each other concerning their electoral promises. Secondly all three fall into the same category of Almond's2 model in that they have fragmented political culture and that there is a...