what is difference between propaganda, ideology, and patriotism?
Ideology is a set of aims and ideas. An ideology can be a comprehensive vision, as a way of looking at things, or a set of ideas proposed by the dominant class of a society to all members of this society. The main purpose behind an ideology is to offer change in society. Ideology tends to refer to the way in which people think about the world and their ideal concept of how to live in the world. Ideology also may be used to describe the shared beliefs of a group of people. Propaganda is based on an ideology. It does not exist without an ideology. Propaganda is the way to make people aware of ideological belief. An ideology is a set of thoughts and can reach people only through propaganda. Its content could be partly true and partly false. It can survive on its own; probably it would not be as widespread as it would be with propaganda.
Patriotism is, generally speaking, emotional attachment to a nation which an individual recognizes as their homeland.