How does the two-party system
influence american democracy?

Third parties can and do exist in two-party system, however, they do not wield along with the Democratic Party; its platform reflects American conservatism. Roosevelt's economic philosophy strongly influenced American liberalism i think.

Explanation:

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

are their options?

otherwise i can't