The political economy of many of the world’s nation-states has changed radically since the late 1980s. Which of the following is a trend that has been evident? Multiple ChoiceA) A wave of democratic revolutions has swept the world. B) Totalitarian governments have arisen, replacing democratically elected governments. C) There has been a strong move toward centrally planned economies and away from free market economic models. D) Mixed economies are fast replacing market economies.