What is a multiparty system and how does it affect governing?

A system in which multiple political parties have the capacity to gain control of government separately or in coalition; In multiparty systems, one party rarely gets enough support to control the government. Then several parties join together to obtain a majority and then form a coalition government. When groups with different ideologies share power, coalitions break down requiring new elections. As a result of this, many nations with multiparty systems are politically unstable. However, multiparty system also allow for better ideological representation of voters, resulting in policy that reflects voter interests better.