Gross Domestic Product is frequently used to assess __________

Paralleling the spread of democracy, since the 1980s there has been the transformation from:

A. free-market economies to socialist economies. B. mixed economies to collectivist economies. C. open economies to closed economies. D. command economies to market-based economies.

In a challenge to the Civil Rights Act before the Supreme Court in the case involving Ollie McClung who refused to serve blacks in his restaurant, the Court based its decision upholding the act on which constitutional principle?

A) Congress's power to regulate interstate commerce B) Fifth Amendment's equal protection clause C) Thirteenth Amendment's protection against slavery clause D) federal government's duty to ensure domestic tranquility E) Bill of Rights