The correct answer is C. They allow officials to learn what is important to voters without having to wait for the next election.
Explanation:
Public opinion polls are studies or surveys that focus on reporting the preferences or opinions of the general public, these are usually shown in media. For example, before a law is approved opinion polls show whether people agree with the law. This type of tool is useful in politics to try to predict the candidate that might win the election. Also, through public polls, officials and political parties know the opinion or preferences of people on politics before the election which is useful because in this way candidates can do certain actions to try to get more voters. According to this, one benefit of public polls is "They allow officials to learn what is important to voters without having to wait for the next election".
the compromise failed to pass because of the opposition by both pro-slavery southern Democrats, which was led by John C. Calhoun, and anti-slavery northern Whigs.
At Adam's urging, they recruit an army and formed the nation's navy. They launched American warships and privateers to attack French; and captured more than 80 armed French vessels.