autarky is: a. the situation in which there is no legal limit on the amount of a commodity that can be imported. b. the situation in which countries export products they can produce more cheaply in return for products that are unavailable domestically or are cheaper elsewhere. c. the situation of national self-sufficiency, in which there is no economic interaction with foreign producers or consumers. d. the situation in which world price is determined by the world supply and demand for a product.