In 1963, Congress passed the Clean Air Act, which sets limits on air pollution on a national level. In response, the Environmental Protection Agency set standards to limit carbon dioxide emissions from new power plants in the United States. The action taken by the Environmental Protection Agency is an example of which of the following? Choose 1 Choose 1 (Choice A) A a ruling on whether a law violates the principles set in the United States Constitution (Choice B) B an agreement between two legislators in which they agree to trade votes for each other's benefit (Choice C) C a coalition of experts inside and outside of the government who want to influence particular areas of public policy (Choice D) D a directive from a bureaucratic agency establishing requirements on how actors in their jurisdiction can operate