Public Opinion exerts the least influence on the national security policies of the United States.
The term "public opinion" describes a vast range of viewpoints that people may have on issues that are important to their community, government, or state. It gives feedback to legislators, influences public policy, and guides government operations. It allows for democratic self-government. Opinions change as new data is discovered by interest groups, legislators, new administrations, etc.; they are not fixed in stone.
The greatest way to determine what the general populace feels or thinks about a topic is to consult public opinion. This is a more cost-effective choice than having you run elections. You reach a decision and save effort and money in the process.
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