What is currency appreciation? A. a decrease in the value of a country’s currency B. an increase in the use of a country’s currency C. a decrease in the use of a country’s currency D. an increase in the value of a country’s currency

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

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most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.