In 2301 we've been discussing our two-party system - and its basis on our winner take all electoral system - and multi-party systems - and their basis on proportional representation. I use Israel as an example of proportional representation in large part because the process is described so well on the Knesett's website. I mentioned the political difficulty of forming coalition governments in parliamentary democracies without much detail, so if you would like to dig further into how Israel's prime minister has been able to do so successfully,
I recommend reading the following.