Which statement best reflects a primary goal of the principle of representative democracy?
a. some powers are retained by the national government and others by local government
b. legislators vote laws on behalf of citizens
c. each branch of government maintains a check on the others' powers
d. all laws must be approved by the highest court

Representative democracy, unlike direct democracy, is a representative government composed of elected officials representing the interests of a group of people. Almost all democracies are based on this principle, where officially elected representatives vote on laws and decisions on behalf of the citizens who chose them. In addition, there are mechanisms of mutual monitoring and control among the branches of the democratic system, but the basic principle of representative democracy is reflected in the representation of the interest of citizens.

The answer is: B.

your answer would be (a)

there has only been 12 presidents. the 12th president is/was moon jae-in