961d39fc_What_is_First_Past_The_Post__The_case_for
[The arguments against] FPTP severely restricts voter choice. Parties are coalitions of many different viewpoints. If the preferred-party candidate in your constituency has views with which you don't agree, you don't have a means of saying so at the ballot box. [The case for] 
It tends to produce a two-party system which in turn tends to produce single-party governments, which don't have to rely on support from other parties to pass legislation.
What is First Past The Post
The case for