books, newspapers, pamphlets and encyclopaedias. Secondary sources involve generalization, analysis, synthesis, interpretation, or evaluation of the original information. Secondary sources are invaluable to sociologists, but they have to be used with caution.
Reliable secondary sources are ones that are fact checked by experts and cannot be edited by the general public. This includes Encyclopedia Britannica, Gale Academic, Academic Search Premier, and other scholarly journals.
Explanation:
These are fact checked and widely recognized databases that conduct rigorous research and analysis
Capitalism is my best guess, considering it is one of the few forms of economy that allows mostly free production. Free enterprise could also be the answer.