According to most interest-group leaders, which type of incentive draws in the most members?

Which of the following describes America’s biological weapons program?

a. The U.S. never had a biological weapons program b. The U.S. destroyed its biological weapons after World War I. c. The U.S. biological weapons program accelerated during the Korean War d. The U.S. used biological weapons against Japan in World War II.

Which of the following characterizes the shift in the distribution of the American population between 1950 and 2010?

a. The percentage of Americans living in urban areas has increased, with most of that growth occurring in the suburbs. b. The percentage of Americans living in urban areas increased, while the percentages living in rural areas and suburbs decreased. c. The percentages of Americans living in cities and rural areas increased, while the percentage living in suburbs decreased. d. The percentages of Americans living in rural areas and suburbs increased, while the percentage living in cities decreased.