Which of the following suggests that economic class and not race has had the greatest effect in determining the status of blacks in America?

A group of citizens which organizes to lobby the government to ensure that certain policies are adopted and adhered to is best defined as a(n) ________

A. target group B. reference group C. economic class D. interest group E. focus group

Oil became a major concern of international politics in the 1970s and 1980s. Which of the following reasons was not a primary cause of that concern?

a. fear about absolute scarcity b. increased prices of oil c. environmental concern over oil pollution d. politically induced disruption of oil supply