How does staying informed on important issues best voters?

a. it voters know which candidates they agree with and why.

b. it candidates come up with better solutions to the issues

c. it voters organize protests against unfavorable candidates

i think its d. it voters follow the advertisements that candidates put out.

The answer could be both a and d.

Explanation:

If the voters are aware of the current burning issues that threaten the society or economics or environmental issues. they can relate to the candidate which promises to take down those issues. thus they can choose their representatives.

Another advantage is that if the voter is aware of those issues, then they can follow the advertisements or manifestos that the candidates put out. if they have the knowledge, they can decide whether the candidate is taking on relevant issues.