What is the author message in this particular example of propaganda

Propaganda means that it is a form of information which is given to the people to influence them about something. The information which is presented through a propaganda may be misleading or may be biased just to influence the thoughts and ideas of the people.

This might be done for a political cause for getting votes by the people and to make them turn towards the politicians. The information presented in the propaganda must not be full and proper and only fulfills the purpose of the speaker.

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes