Answer:
industrial workers of the world
It would be he is sure of himself this is because he mentions that he is willing to lay down all of his joys in this life to help maintain this government which in turn means he is ready or sure that he is correct with his statement I believe this should help
Since there were issues caused from urbanization and industrialization (the two components which helped expand population), their task was to eliminate issues from these principles to help sustain a better living environment.