Which of the following are advantages of federalism? I. Regional preferences can be accommodated.
II. Citizens have increased access to the institutions of government.
III. National political leaders often gain valuable experience at the state or
local level.
IV. The states can act as experimental "laboratories for democracy."
A. I and III, only
B. II and IV only
C. II, III and IV only
D. All of the above
E. None of the above

Based on the graph, how is coal consumption likely to affect future generations? a. the higher our current rate of consumption, the less coal will be available in the future. b. current rates of consumption are irrelevant because new coal will form in the future. c. the lower our current rate of consumption, the more slowly coal will be replenished for the future. d. regardless of current rates of consumption, coal will always be available.