Author melinda jackson and supporting research show that the factor which most determines how a person will vote is:
a. the candidate's character.
b. party identification.
c. the amount of media the voter sees.
d. age

Option A

Explanation:

Candidate's character is the most important attribute of a candidates, people what a reliable leader, a leader that understands and does the interest of his/her people or followers. In other words, they also want someone that keeps to his words.

In general, i am linking the candidates character to good attributes of a leader before people vote, people dont just look at the party, they look at the individual, they look at his past and try to examine the kind of person he/she his. This character is a defining factor for any candidates who wish to be voted for, is such candidates truthful and to his words is the questions voters will ask relating there interests.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer