Why do political questions so often boil down to economic issues? Is it healthy?

This essay should have 1200–1500 words. No more no less. Make sure to include a thesis statement in your first paragraph and structure your argument along the lines of – claim – grounds..grounds secondary claim… grounds.. etc. A conclusion is likewise essential.”
Im supposed to choose one, or two political questions and then find how are they related to economics. How should I do that. What questions should I pick ? I do not really understand the term ‘political question’ so I dont know how to write this essay.