Before revision: It started in the 19th century in industrialized countries such as the United States, Australia, New Zealand and the United Kingdom to improve the conditions of workers in those countries.Sheila Blackburn (1991) The Historical Journal 34 (1) 43-64 "Ideology and Social Policy: The Origins of the Trade Boards Act"
After revision: These campaigns are meant to improve the working conditions through advocacy for higher wages, safer conditions, unionization and other protections.It started in the 19th century in industrialized countries such as the United States, Australia, New Zealand and the United Kingdom to improve the conditions of workers in those countries.Sheila Blackburn (1991) The Historical Journal 34 (1) 43-64 "Ideology and Social Policy: The Origins of the Trade Boards Act"