TO GO WITH AFP ELECTION STORY by  DENIS HIAULT A general view of of the Palace of Westminster, with the Great Westminster Clock, more commonly known as 'Big Ben' seen on April 5, 2015 in London. In one month, Britain votes in a general election likely to put the nail in the coffin of two party politics and herald an uncertain future of coalitions, alliances and horse-trading. Neither of the two parties which have dominated parliament since the 1920s, the Conservatives and Labour, are expected to win the 326 House of Commons seats out of 650 needed to govern alone. AFP PHOTO / NIKLAS HALLE'N        (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images)