sentences:  Thomas Halliday contested Merthyr as a 'labour' candidate as early as 1874 and the return of Keir Hardie in 1900 was a notable landmark in the growth of the Labour Party.From 1922 onwards, Merthyr was a safe Labour seat.The Great Reform Act of 1832 was the first significant review of the arrangements for the election of MPs to the House of Commons, Patterns of representation had remained essentially unchanged for centuries and no recognition was given to the growth of urban settlements in the wake of the industrial revolution.