If something happens to alter the quantity demanded at any given price, then a. the demand curve becomes flatter. b. we move along the demand curve. c. the demand curve shifts. d. the demand curve becomes steeper.

At present, the united states has an embargo against north korea because a. the two countries have extremely poor political relations. b. north korea will not adopt a capitalist government. c. north korean products are too difficult to use. d. north korea has an embargo on american products. e. products from north korea are in higher demand than american-made products.