Voters play an essential role in the American system of democracy by:A.amending the Constitution.B.participating in elections.C.electing the members of the Supreme Court.D.debating new legislation.

Sure, let's analyze each option step by step:

A. Amending the Constitution.

• Amending the Constitution is a complex process that involves both Congress and the states. While voters can influence this process indirectly by electing representatives who support certain amendments, they do not directly amend the Constitution themselves.

B. Participating in elections.

• This is a fundamental role of voters in a democracy. By participating in elections, voters choose their representatives and have a direct impact on the governance of the country.

C. Electing the members of the Supreme Court.

• Members of the Supreme Court are not elected by voters. They are nominated by the President and confirmed by the Senate.

D. Debating new legislation.

• While voters can engage in public discourse and debate, the actual process of debating and passing new legislation is carried out by elected representatives in Congress.

Therefore, the correct answer is: B. participating in elections.