‘Winner takes all’ vote system
David Cameron can thank Britain’s winner-takes-all voting system for handing him an outright majority in parliament on just 37 percent of the vote. But by boosting the power of Scottish nationalists, it has also intensified one of his biggest headaches.
More information: http://www.reuters.com/article/2015/05/10/us-britain-election-reform-idUSKBN0NV0AR20150510