The correct answer to this open question is the following.
Although there are no options attached we can say the following.
What John Spargo wanted according to the passage was to offer the American people a series of ideas to be reflected upon in order to make American people get into action and stop being a witness of the happenings of the time. Spargo believed that people could exert a formidable power through organized action to produce positive change in society.
Immigrant Joh Spargo (1876-1966) was a politician and a historian that spend some time supporting socialists ideology and then turned to be a supporter of democratic ideas, although expressed tough critics to Franklin D Roosevelt and his New Deal.