Which of the following statements is true of the different types of political systems?

A. Federal systems tend to concentrate political power in the hands of the national
government.
B. Voters directly elect a legislature as well as an executive in the parliamentary
system.
C. Countries that lack judicial review embody the principle of parliamentary
supremacy.
D. The President is the chief executive in a parliamentary system, elected by the
members of parliament.
E. The constitution grants two or more governments overlapping authority over the
same group of people in the unitary system.

C