'At various times in its history, the Australian Labor Party’s strict insistence that its parliamentarians vote along party lines or face expulsion has caused angst within the party. On the one hand, the practice means that talented party members might be lost to the ALP; on the other, party solidarity is the key to passing legislation and to maintaining cohesion. One of the early architects of Labor’s strict party discipline was J.C. Watson, who was a major figure within the labour movement between 1890 and 1916.' (Introduction)