Define "hearts and minds" as it applies to vietnam war

could you use this to with a topic?

the key difference between a democracy and a republic lies in the limits placed on government by the law, which has implications for minority rights. both forms of government tend to use a representational system — i.e., citizens vote to elect politicians to represent their interests and form the government.

citizens get the vast majority of their political and governmental information from the media, which includes television, print journalism, radio, and now the internet. the media play an important role in connecting people to government.