Debates are an important part of the election process, because they
o focus on specific issues.
o are used to propose new laws.
voters choose the best party,
show the public how candidates deal with pressure,

Option a. Debates are an important part of the election process, because they focus on specific issues.

Explanation:

The Commission on Presidential Debates (CPD) was established in 1987 in the United States, to ensure that general debate between the leading candidates for the position of President and Vice-President are a permanent part of the electoral process. This bi-partisan commission organizes the debates for each Presidential election, so that the audience knows were each candidate stands on specific topics, normally topics that are the most controversial and important to the American society at the time of the election.

c holding free elections