Party leaders therefore rely on a mixture of strategies to offset these electoral pressures from offering mps advancement to threatening discipline and ultimately relying on a long run process of socialization to temper their mps dissension kam reveals the underlying structure of party unity in modern westminster parliamentary politics and drives home the point that social norms and . Party discipline and parliamentary politics kam christopher j 9780521518291 books amazonca. With rare exceptions the practice of party discipline means that members of the same party vote together in parliament since the emergence of structured political parties in the late 19 th century party discipline in some form has been an essential feature of the canadian political landscape. Abstract one of the chief tasks facing political leaders is to build and maintain unity within their parties this text examines the relationship between party leaders and members of parliament in