Aform of demand-side economics that encourages government action to increase or decrease demand and output is

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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answer; the edward snowden leaks of nsa classified material;