How did the political parties affect voter turnout when they were stronger? A. Voter turnout was 100%. B. Voter turnout was very high. C. Voter turnout was lower. D. Voter turnout was the same.

The correct option here is the option B.

When people have faith in the political system and in turn faith in the political parties, then the voter turnout is higher than usual. If people feel their votes do not matter or they feel betrayed by the political parties they are less inclined to go and vote and thus that results in lower voter turnout.

The correct answer for the question that is being presented above is this one: "B. Voter turnout was very high." The political parties affect voter turnout when they were stronger by having a Voter turnout that was very high. It is considered an ideal election.