As the title indicates, this is a state in which just two parties dominate. other parties might exist but political the most obvious Two Party they have no political importance. A has system with the Republicans and Democrats dominating the political scene. For the system to work, one of the must obtain a sufficient working majority after an election a it must be in a position to be able to govern without the support from the other party. The Party system presents the voter with a simple choice and it is believed that the system promotes political moderation as the incumbent party must be able to appeal to the "floating voters' within that country. Those who do not support the system claim that it leads to unnecessary policy reversals if a party loses an election as the newly elected government seeks to imposes its "mark' on the country that has just elected it to power.