I’m writing an informative piece how can the author develop the topic

It should be clear, succinct, and paper-specific. Often, it should express the writer's opinion. However, an informative essay thesis statement should not express your view point. It should be bias-free.

Explanation:

from the political point of view it could be said that the candidate   is an effective speaker because she takes a strong position on the issue. it is an open discussion but probably she is making a presentation and can choose which subjects she wants to address. she is very likely to attain her aim which is to convince voters to accept her proposal.