Chloe voted for the first time in the 2016 elections. she was very motivated to understand campaign issues and to make an informed choice at the polls. she read the newspapers and watched the television debates between the candidates. motivated and informed when she watched the presidential debates between donald trump and hillary clinton, chloe was most likely to pay attention to

The candidate's disagreements on education issues

Explanation:

In the 2016 election, Chloe voted for the first time.

She was well informed about the issues and debates of the Presidential candidates. She reads newspaper regularly to keep her updated on election issues.

Chloe is highly motivated and she watches the presidential debates in the televisions between Donald Trump and Hillary Clinton. While watching and listening carefully to their debates, Chloe is more likely to pay attention to the candidate's disagreements on the education issues being a student herself.

Chloe, a student, is highly motivated about the education issues that candidates are debating.

Thus the answer is

The candidate's disagreements on education issues